What is the distance in inches between the rings?

7.25 Inches

What is the exact inside dimension of the steel collar end?

The inner diameter of the D1146686 duct is 40 inches. The steel helix keeps the duct uniform in diameter throughout. The duct has a length of 15 feet but is collapsible making it very easy to move around.

Is this duct available in any other color other than orange?

Deelat PVC Flexible Ducts come in a variety of colors. They can be requested in Black, White, Grey, Orange, Yellow, Red, Blue, Green. Please contact our sales support if you require a custom color other than our standard orange,

Is your D1146683 designed to be used as a negative pressure exhaust duct?

D1146683 is not designed as a negative pressure duct. We have a separate category for our negative pressure ducts, which can be found here: https://www.deelat.com/ducting-and-fans/ducting/negative-pressure-ducts/

Will this work for my lawn vacuum hose?

Yesm this PVC flexible duct will work as a lawn or leaf vacuum hose.

Do you offer a 6" PVC Flexible air ventilation duct that is 10' long?

We offer 6" ducts in 15' and 25' lengths.

What is the pressure rating?

The pressure rating for the flexible duct is 3000 PA.

you have 20" duct 10 ft. long (SKU #D1774127), do you have it in 15 ft. length? If so what is the cost and what number would I use to order it?

The 20" PVC flexible duct is available in 10, 15 or 25 ft length. SKU# D1146680 is the 20" x 15ft duct.

What is the flame spread on this product? Can you please provide certification?

The flame spread rating for the D1146676, PVC flexible duct is 25' (7.6M). Deelat's PVC Flexible Ducts have SGS certification and can be obtained if required by contacting our customer support.

I need this duct for commodity fumigation, is that possible?

You can use this duct for commodity fumigation as long as the temperature is between -4°F and +176°F. If you need assistance with your purchase, please call our sales team at 1-888-667-5776 or email at sales@deelat.com!

I need connect a kitchen aid down draft. Do you have a flexible duct for this application

Yes, our flexible ducts can be used in kitchens. Please contact our customer support to discuss the best size and length for your specific application.

Can you use this stuff on a stove vent?

The PVC Flexible Air Ventilation Duct can withstand temperatures ranging from -4°F to 176°F. That being said, temperatures on a stove top can exceed 176°F so we wouldn't recommend using this particular PVC flexible duct. We do offer high temp ducting that would work much better for your application.

How much does the 25' section weigh? Does it come in 50' sections? How much would a 50' section weigh?

The weight of the 25' section of the PVC flexible duct is 7.7 kg, or 17 lbs. The weight of a 50' section would be 15 kg, or 33lbs.

I want to install this duct in a greenhouse, are the UV protected?

All our PVC ducts are coated with a UV rated clear coat giving them sufficient protection against the suns rays.

Can I use this with a portable AC as replacement hose sharp cv-p10nc

Yes, you can use this duct for your application. If you need assistance with your purchase, please call our sales team at 1-888-667-5776 or email at sales@deelat.com!

will the 20" with drawstring attach to a 18" fan housing securely or do i need a 18" duct model?

A 20" flexible duct will work on an 18" fan housing but we highly recommend you use our duct clamp sku# D1774888 with the 20 inch ducting.

Do you have high temp flexible duct?

You can view our high temperature ducting by searching for "heat and high temperature duct" in the search bar above. Flexible options are available, and an example product is D1143768.

How long will shipping take if I choose to order the PVC flexible duct #D1146683 in a custom color?

Hi Cathie. The amount of time the item #D1146683 will take after an order varies due to location. For more information, call our sales team at 1-888-667-5776 or email at sales@deelat.com for assistance.

Is this duct able to withstand negative pressure?

Our standard PVC flexible ducts are not suitable to hold negative pressure. They are rated for positive pressure between 1000-2000pa. Deelat Negative Pressure Ducts are specifically for negative pressure applications.

Do you have a static pressure rating for the 24 inch duct? max temp would be 30C

Hello Dave, thank you for your question. Only our explosion proof ducts have a static pressure rating. Static pressure rating (positive pressure) is 3000 p.a

I have to attach to 20" but want to use 8", how does this get stepped down?

The PVC flexible duct has a pull string that will collapse the end of the duct to shrink down to an 8" diameter. We would also recommend adding a duct clamp to secure it better. Even though you can use the 20" duct and collapse the end to a 8" we highly suggest that you use an 8" duct instead.

Is this item in stock DEELAT ® PVC Flexible Duct - 18" (Diameter) * 15ft (Length)?

Deelat stocks most varieties and sizes of ducts such as the DEELAT ® PVC FLEXIBLE DUCT - 18" (DIAMETER) * 15FT (LENGTH) however it is best to call our sales team at 1-888-667-5776 or email at sales@deelat.com for up to date stock quantities and delivery times.

Can this duct be used on and outdoor construction furnace?

This particular PVC flexible duct might not be able to stand a certain threshold of heat. Please let us know the temperature range of the airflow of the construction furnace so we can ask our supplier to recommend a heat duct that would suit your needs.

Can this D1146677 duct be run underground through a larger duct to an evaporative cooler?

Yes, D1146677 can be run through a larger duct underground. However, keep in mind that the heat resistance of this duct is between -20C and 80C.

Is Deelat able to customize the 44" Diameter Flex Duct #D1774320 to be made out of polyester fabric?

Hi Iriana. Thank you for your question. Generally, specifically for more common fabrics, customizations can be done. If you have a specific questions about #D1774320, call our sales team at 1-888-667-5776 or email at sales@deelat.com for assistance.

If I am attaching an 8-inch duct to a movable propane heater with a diameter of 7.5 inches, will I need a strap for solid attachment?

we are looking for approx. 500' of hose, is is available at custom lengths or only 25' pieces? Also, is there a drawstring on each end for mounting to 20'' attachment point?

Custom lengths are available but are made to order and ETA will need to be confirmed. However, due to the easiness of transportation and storage (reduce the risk of damage), the manufacturer suggests that the best way for option is to purchase 20pcs of 25' duct (D1146681) and connect them together. Yes there are drawstrings on each end and we also sell duct clamps as well.

Does this duct have a maximum CFM or FPM rating?

The PVC flexible duct does not have a CFM or FPM rating because these are not normally figures ducts have. However, all our fans have these details provided.

What is the added cost to order the 10" diameter duct (D1146672) in white?

To order the D1146672 PVC flexible duct in white would be a factory price of $11.08.

This product looks nice. Can this product be used with a duct blaster for duct leakage testing?

Hi Tommy. Our PVC flexible duct #D1146672 can support a maximum of 8,000Pa flow pressure. If you have any other questions or concerns, please do not hesitate to contact us.

Can these two hoses that are together be connected to each other?

There are draw strings each end. I don't know if they offer custom lengths

DEELAT Industrial offers custom lengths for any of our ducts but they are made to order and ETA would need to be confirmed.

CAN 2 OF THESE BE CONNECTED TO MAKE A 50'?

Two of our flexible ducts can be put together to make a longer duct. You can connect ends together using a duct clamp which we also offer on our website under SKU D1774881.

What is the actual I.D. of this product?

The inner diameter of this duct is 30 cm/11.8". If you need assistance with your purchase, please call our sales team at 1-888-667-5776 or email at sales@deelat.com!

We need to use the 20" duct in an HVAC application for in a hotel pool room exhaust going up about 200' to the roof of the building to exhaust pool chemicals. Will this work for this application?

Yes, this PVC flexible duct should work for your pool application, as it is chemical resistant, acid resistant and alkali resistant.

If used for AC ducting, are these ducts insulated?

The PVC flexible ducts are not insulated. To see our selection of insulated ducts, please visit https://www.deelat.com/ducting-and-fans/ducting/insulated-ducting/

Is the diameter number on these ducts ID or OD diameter?

All ducting diameter measurements refer to the outer diameter or OD.

Am I able to buy only the steel helix frame by itself in the size 6ft and 760mm, and without the PVC covering? I want to attach cat mesh or shade cloth to it.

Hi Heather. Thanks for your question. The steel frame cannot be bought separately.

Can these be used for cold air return for a furnace?

Will this work with a LG LP1417SHR Portable AC Unit? The existing 6" tubing is too short for our needs, and has a built in threading for the connector.

This 6" duct should work with your portable AC system as long as the outlet/intake connector is 6" or less. The duct is meant to slide over the connector and then tighten over it with the pull string on the end or duct clamp. The duct has no threading.

Does a flange need to be fabricated to connect duct to return air shaft and to air conditioner?

You can use the integrated drawstring, a flange or a duct clamp to attach the duct to an air conditioner, return air shaft or ventilator For your application, we recommend using a negative pressure duct, as it may better suit your requirements.

Can these be shortened, or else do you sell shorter lengths? I need a 6ft length.

Yes, the PVC flexible duct can be shortened. You can cut the duct yourself, or else order one suitable to your needs by contacting us directly. A 6ft length would be $12.11.

I am looking at the 20" duct (#D1146681) for a project I am working on. My air velocity through the 20" duct is at 3,000 FPM. Is this duct rated (or will it work) at the 3,000 FPM velocity?

The D1146681 PVC flexible duct should work just fine at the 3,000 FPM velocity. Please contact us if you'd like to order one sample duct to test your situation and make sure.

What is the weight of a 15' 40" dia, SKU D1146686?

The weight of D1146686 is 21.6kg.

As air passes through the ducts, it creates static, do these come in anti-static?

Hi Roger. Item D1146683 is not made by anti-static materials, but you can add a ground wire to move out the static. You may consider D1143829, which is made with the anti-static materials.

Will that string hold the duct to the blower with no issue?

Do they come in a color other than hello orange?

Our flexible ducts come as a default color of orange, however, you can order them in an array of colors. We offer them in Blue, White, Black, Green, and also Red. If you need another color other than orange, please call in your order to our customer support team to make sure the right color is shipped to you.

Can I purchase (4) 9 ft. sections of the 40" PVC Flexible Duct? What is the stack height of a 9 ft. section when collapsed?

We do offer our ducts in custom lengths on special request. For custom lengths, the ducts are made to order and can take up to 3-4 weeks to deliver. The stack height for a 9 ft section would be approximately 6 inches when condensed.

Can this product be used for a dryer hose?

The flexible duct can be used as a dryer hose, however, its not the intended use for this duct.

Will the 12" flexible duct fit over a 12-1/4" diameter connection pipe?

The 12" PVC flexible duct would be a little tight on a 12-1/4" diameter pipe. If you would like to request a custom size, please contact us so we can help you better fit your needs.

Do you have this hose in a 3" diameter?

We do not sell PVC flexible ducting with a 3" diameter on the website, but we do manufacturer custom sizes all the time. Please call us at 1-888-785-2677. Speak soon.

Do you sell round to square transitions for D1774320 to mate the duct to an intake or exhaust fan?

Yes, we can have our factory produce those transitions for D1774320. Please contact our customer support for assistance.

What is the weight of the vinyl?

Hi Bill. The weight of the vinyl is 470 grams or 1.03 pounds.

Are these available in another color other than orange?

These ducts are available in a variety of colors. Customers can make a special request for Black, White, Grey, Orange, Yellow, Red, Blue, Green. The default color is orange, however if you require a custom color please contact us at 1-888-667-5776.

We are the Canadian Starfighter Museum and we require a hose to simulate an air starter hose for our display. The 4 inch by 15 feet SKU #D1146666 looks convincing. How much would it cost to ship it to Winnipeg R2J 2S3? THank you. Steve

All Canadian orders ship from our distribution facility in Calgary, AB. Shipping for our 4" x 15 ft PVC Flexible ducts to your address would be dependent on quantity and if you require FedEx Ground or FedEx Express. Please contact us to get an accurate shipping quote based on your requirement.

What is the compressed length of the PVC flexable duct D1146669?

The compressed length of the D1146668 is 28cm (11in) and the compression length of D1146669 is 48cm (19 in).

Can you this product for Home AC ducting?

You can use this duct for home AC ducting. If you need assistance with your purchase, please call our sales team at 1-888-667-5776 or email at sales@deelat.com!

Is this product waterproof for under a MFG home for A/C duct work?

Yes, this PVC flexible duct is waterproof.

can you make 40" x 40' lenghth (custom)

Yes, we can make a custom flexible duct of this size. Please contact our customer service at 1-855-870-1429.

Do you sell friction loss tables or formulas?

Hi Joe. DEELAT does not sell friction loss tables or formulas.

Would your flexiable ducting work for connecting a grain fan to a bin plenum with full floor aeriation? The fan and plenum have a 18 inch round opening with a bolt pattern collar band around the opening.

Is there a way to prevent mice from chewing through the pvc flexible ventilation duct. Thank you.

There is really no way to prevent mice/rats from chewing threw the PVC flexible ducts. Mice and Rats can pretty much chew through anything in their path. The only way to prevent it is making sure the area in which the flexible ducting is being installed is eradicated of all mice/rats prior to the installation and have pest control do routine follow ups to make sure they didn't return. This is true for any kind of PVC flexible ducting.

Does this product meets the UL 181 class I rating for flammability?

Our factory standard for this PVC flexible duct is B2, which is a higher class rating for flammability than UL 181. The product meets and exceeds that class.

Wondering what the lead time is on the 30" pvc flex duct? Is there 36" available?

The lead time and availability of the 30" or 36" PVC flexible duct will depend on your local store quantities. Please contact our customer service at 1-888-667-5776 if you would like a personalized timeframe.

Hello, can this type of duct work be used for paint booth applications?

Yes, our flexible ducts can be used for paint booth applications.

Do you sell clamps that will connect PVC ducts like item #D1146683 together?

Hi Cathie! Thanks for your question! We do, in fact, sell a duct clamp which we offer on our website under SKU #D1774881.

Can you send me a sample?

What materials is this duct made out of?

Our PVC flexible duct is made out of fire retardant PVC fabric with an integrated steel helix frame covered with a rubber strip. This material can withstand temperatures between -4°F to +176°F (-20°C to +80°C), repels oleic acid and water and is tear-resistant. The fabric thickness is 0.3 mm ~ 0.4 mm.

Would this duct be safe to use as an agility tunnel?

The D1146684 flexible duct would be perfect to use as an agility tunnel as they are made with a steel helix frame, which prevents the duct from collapsing. Dog trainers have purchased these ducts to be used as tunnels on many occasions.

Do you provide supporting materials? Rings, straps, ecc? Do you sell any interconnecting fittings?

This PVC flexible duct already comes with the connections, so you would not need to buy any supporting pieces for it.

Do the tubes have some Flexibility? Can you push them down to fit under something?

Yes, our PVC flexible ducts are flexible enough to bend and fit under something. You can find the full stock of our flexible tubes here: https://www.deelat.com/ducting-and-fans/ducting/flexible-ducting

What is the pitch of the steel band?