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Easy to use: these reusable flex cuffs are easily installed and can be removed without the need for assorted screws or duct tape. A pair of hose clamps included. Function: provides a perfectly sealed, airtight connection between a pair of 4 inch OD dust collection equipment ports, hoses or fittings.
Both ends measures 4-9/16-inch o. D. Adapters or hoses. And 4-5/64-inch I. D. Includes: 1 flexible hose Cuff Coupler with 2 Dust Hose Clamps. Rubber construction provide flexibility to bridge slight diameter differences. D 4-9/16” and i.



Dimensions: 4” nominal od end measures 3-61/64” od and 3-41/64” id; 2-1/2” nominal OD end measures 2-15/32” OD and 2-9/32” ID. The 2-1/2 in. Please note: this cone reducer is specifically designed to work exclusively with 4” and 2-1/2” hoses | It is NOT intended to fit or accommodate a 2-1/2” OD or 4” OD dust collection equipment port directly which would require POWERTEC 70149 or 70148 Flex Cuffs.

Includes: 4” key type hose Clamps – Pack of 10 Quality: delivers a heavy duty, leak proof and corrosion resistant hose clamping tool constructed out of premium grade stainless steel.


4-7/16” 4. 440” or 112. 77mm in full diameter down to appx. This makes the clamp strong, durable and rust resistant which makes it ideal for many applications in the shop or around the home.
Works for both indoor or outdoor use. No more tools! – set your tools aside when installing your ductwork or hose with these handy, easy to tighten hose/duct clamps. Ideal for use in automotive, piping, household and more. Simply to turn the key clockwise to tighten, counter clockwise to loosen. Place the clamp where its needed then simply turn the key to loosen or tighten them. The key is designed to make the securing and un-securing of hose much easier on the knuckles.

Easy turn: hose clamp allows you to simply use the thumb screw clamp to quickly loosen or tighten it without the use of tools. Includes: 4” key type hose Clamps – Pack of 5.

1. POWERTEC
#ad
POWERTEC 70113 4-Inch Coupling for 4-inch OD fittings and adapters
#adPOWERTEC #ad - Both 4-inch nominal ends measure tapered 4-1/4-Inch O. D. Allows easy connection and disconnection of two 4-Inch O. D. Adapters or fittings. Quick and easy to use. Tough, durable ABS plastic material. And 3-15/16-inch I. D.More information #ad
Brand | POWERTEC #ad |
Manufacturer | POWERTEC #ad |
Height | 3.4 Inches |
Length | 5 Inches |
Weight | 0.4 Pounds |
Width | 5 Inches |
Part Number | 70113 |
Model | 70113 |
More information #ad
2. POWERTEC
#ad
POWERTEC 70149 Dust Control Flex Cuff with Hose Clamps, 4-Inch
#adPOWERTEC #ad - Designed to airtight connection of two fittings or hoses without using duct tapes. D 4” | connects to 4 inch nominal outer diameter adapter or dust hose. Connect to 4-inch O. D. Dimensions: o.Easy to use: these reusable flex cuffs are easily installed and can be removed without the need for assorted screws or duct tape. A pair of hose clamps included. Function: provides a perfectly sealed, airtight connection between a pair of 4 inch OD dust collection equipment ports, hoses or fittings.
More information #ad
Premium build: made with a durable rubber construction to withstand long-term wear and tear, and possesses a flexible design that seamlessly conforms to slight diameter differences in fittings. Both ends measures 4-9/16-inch o. D. Adapters or hoses. And 4-5/64-inch I. D. Includes: 1 flexible hose Cuff Coupler with 2 Dust Hose Clamps. Rubber construction provide flexibility to bridge slight diameter differences. D 4-9/16” and i.
Brand | POWERTEC #ad |
Manufacturer | Southern Technology LLC #ad |
Height | 2.5 Inches |
Length | 4.5 Inches |
Width | 4.5 Inches |
Part Number | 70149 |
Model | 70149 |
More information #ad
3. POWERTEC
#ad
Black, POWERTEC 70123 O.D. Splice, 4"
#adPOWERTEC #ad - Designed for connecting to two 4-Inch diameter hoses together. Each o. D. And 3-11/16-inch I. D. Tough, durable ABS plastic material. A middle section with greater diameter for easy assembly. Accepts most 4-Inch dust collection hose. Both 4-inch nominal ends measure 3-31/32-Inch O. D.More information #ad
Brand | POWERTEC #ad |
Manufacturer | Southern Technology LLC #ad |
Height | 4.09 Inches |
Length | 5.9 Inches |
Weight | 0.45 Pounds |
Width | 4.09 Inches |
Part Number | 70123 |
Model | 70123 |
More information #ad
4. Taytools
#ad
Taytools 467078 4 Inch Outside Diameter OD Flexible Cuff Coupler Dust Collector Shop Vacuum Hose Connector with 2 Hose Clamps for Hose 4 Inch OD
#adTaytools #ad - Comes with 2 hose clamps. Designed to connect 2 each 4” outside diameter OD flexible dust collector PVC fittings together with an air-tight fitting. Designed to connect hoses with outside OD 4”.More information #ad
Made from flexible rubber to accommodate slight diameter differences in pieces. Dimensions of rubber connector cuff: 4” id, 1/4” thick sidewalls, 4-1/2” OD, 2-1/2” overall length.Brand | Taytools #ad |
Manufacturer | Taylor Toolworks #ad |
Height | 6 Inches |
Length | 3 Inches |
Width | 6 Inches |
Part Number | 773458 |
Model | 467078 |
More information #ad
5. POWERTEC
#ad
POWERTEC 70136 4-Inch Hose to 2-1/2 Inch Hose Cone Reducer
#adPOWERTEC #ad - Opening also allows you to fit Shop-Vac, Sears and a variety of other wet/dry vacuum cleaners. Premium: made with high quality ABS plastic for long-term durability and to withstand the abrasive nature of workshop dust collection.Dimensions: 4” nominal od end measures 3-61/64” od and 3-41/64” id; 2-1/2” nominal OD end measures 2-15/32” OD and 2-9/32” ID. The 2-1/2 in. Please note: this cone reducer is specifically designed to work exclusively with 4” and 2-1/2” hoses | It is NOT intended to fit or accommodate a 2-1/2” OD or 4” OD dust collection equipment port directly which would require POWERTEC 70149 or 70148 Flex Cuffs.
More information #ad
Includes: 4” to 2 1/2” Dust Collection Hose Reducer. Function: a handy double sided adapter that allows you to step down from your larger 4” dust collection hose to a smaller 2-1/2 shop vacuum hose branch line.Brand | POWERTEC #ad |
Manufacturer | Southern Technology LLC #ad |
Height | 4 Inches |
Length | 4 Inches |
Weight | 0.2 Pounds |
Width | 4 Inches |
Part Number | 70136 |
Model | 70136 |
More information #ad
6. POWERTEC
#ad
POWERTEC 70260 4-Inch Key Hose Clamp | Stainless Steel 4” Thumb Screw Dust Collector Hose Clamps – 10 Pack
#adPOWERTEC #ad - Versatility: can be used indoor and outdoor for a wide assortment of home, tubes, automotive, duct work, piping, and DIY woodworking applications – such as securing a dryer vent hose, large cables and more.Includes: 4” key type hose Clamps – Pack of 10 Quality: delivers a heavy duty, leak proof and corrosion resistant hose clamping tool constructed out of premium grade stainless steel.
More information #ad
Easy turn: hose clamp allows you to simply use the thumb screw clamp to quickly loosen or tighten it without the use of tools. Application: allows you to secure your ductwork hoses and connect dust collection hoses to dust hoods, 4 inch blast gates, connectors, and other dust collection fittings.Brand | POWERTEC #ad |
Manufacturer | POWERTEC #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 0.59 Pounds |
Width | 6 Inches |
Part Number | 70260 |
Model | 70260 |
More information #ad
7. Deflecto
#ad
Aluminum with Bead and Crimp, Deflecto 4” Duct Connector, Silver, 3” long DAC4C
#adDeflecto #ad - Constructed of fire resistant aluminum. Maximum working pressure of 80 psi; maximum velocity of 5, 000 FPM; Operating temperature range of -100 to 430 degrees F. Designed with a bead in the middle to give extra strength to your connection, which helps prolong use.More information #ad
Crimped ends allow for easy installation, simply slide the ducts over each end and fasten into place. For joining together round ducting, our 4” one piece aluminum duct connector is an ideal solution.Brand | Deflecto #ad |
Manufacturer | Deflect-o Products #ad |
Height | 4 Inches |
Length | 3 Inches |
Weight | 0 Pounds |
Width | 4 Inches |
Part Number | VENDAC4 |
Model | DAC4C |
Warranty | AS LISTED |
More information #ad
8. Fulton
#ad
4 Inch Thumb Screw Key Adjustable 304 Stainless Steel Hose Clamps, RV Clamp 5 pack 4" Hose Clamp, Worm Gear Clamps, Dryer Vent Clamp, Dust Collection, Pipe Clamp, Automotive
#adFulton #ad - Large easy to turn key - the easy to turn and easy to see blue key is made from a strong and durable polymer. 3-7/16” 3. 440” or 87. 32mm at its most compact diameter. No more knuckle busting flat head screw drivers or tiny socket wrenches. Flexible adjustable size range- 4 inch hose clamps are flexible and workable with a rather wide adjustable size range from appx.4-7/16” 4. 440” or 112. 77mm in full diameter down to appx. This makes the clamp strong, durable and rust resistant which makes it ideal for many applications in the shop or around the home.
More information #ad
Often used in these applications – these unique clamps are typically used in securing duct work, agriculture, dryer vents, shield, boat/marine, large cable, recreational vehicles, mechanical, dust collection hoses, industrial, pvc tubing and more. Works for both indoor or outdoor use. No more tools! – set your tools aside when installing your ductwork or hose with these handy, easy to tighten hose/duct clamps. Ideal for use in automotive, piping, household and more. Simply to turn the key clockwise to tighten, counter clockwise to loosen. Place the clamp where its needed then simply turn the key to loosen or tighten them. The key is designed to make the securing and un-securing of hose much easier on the knuckles.
Brand | Fulton #ad |
Manufacturer | Fulton Woodworking Tools and Accessories #ad |
More information #ad
9. POWERTEC
#ad
POWERTEC 70120 4-Inch Key Hose Clamp | Stainless Steel 4” Thumb Screw Dust Collector Hose Clamps – 5 Pack
#adPOWERTEC #ad - Application: allows you to secure your ductwork hoses and connect dust collection hoses to dust hoods, connectors, 4 inch blast gates, and other dust collection fittings.Easy turn: hose clamp allows you to simply use the thumb screw clamp to quickly loosen or tighten it without the use of tools. Includes: 4” key type hose Clamps – Pack of 5.
More information #ad
Quality: delivers a heavy duty, leak proof and corrosion resistant hose clamping tool constructed out of premium grade stainless steel. Versatility: can be used indoor and outdoor for a wide assortment of home, tubes, automotive, and DIY woodworking applications – such as securing a dryer vent hose, piping, duct work, large cables and more.Brand | POWERTEC #ad |
Manufacturer | Southern Technology LLC #ad |
Height | 2 Inches |
Length | 6 Inches |
Width | 6 Inches |
Part Number | 70120 |
Model | 70120 |
More information #ad
10. Lambro
#ad
Lambro 244 Duct Connector
#adLambro #ad - Portable and fits in most storage spaces. Highly durable. Manufactured in United states. Easy to use. Connects 2 pieces Of 4 inch Flexible Aluminum Duct. Light weight aluminum material for increased flexibility.More information #ad
Brand | Lambro #ad |
Manufacturer | Lambro #ad |
Height | 4 Inches |
Length | 4 Inches |
Weight | 0.04 Pounds |
Width | 3 Inches |
Part Number | 244 |
Model | 244 |
More information #ad