Duct Materials

The DiversiTech® HS-144 12 ft. long lashing strap lashes and secures refrigerators, air conditioners, washers, driers, etc. The strong nylon webbin...

This is a brand-new Lennox/Allied Air 14in Square-to-Round Duct Adaptor Kit replacement, part # 20X82. This 14-inch Square-to-Round Duct Adaptor Ki...

This is a brand-new Lennox/Allied Air 14in Square-to-Round Duct Adaptor Kit replacement, part # R104617-01. This 14-inch Square-to-Round Duct Adapt...

Double-wall type B tee joint. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Leng...

Type B Double Wall Oval Elbow 45° is engineered for efficient directional changes in double wall oval ductwork systems. This 45-degree elbow fittin...

Type B Double Wall Oval Elbow 45° is engineered for efficient directional changes in double wall oval ductwork systems. This 45-degree elbow fittin...

This Type B Double Wall Increaser is designed to increase a 7" flue to a 10" flue, allowing for improved ventilation and air flow. Made with high-q...

This Type B Double Wall Increaser is designed to increase a 5" flue to a 8" flue, allowing for improved ventilation and air flow. Made with high-qu...

This Type B Double Wall Increaser is designed to increase a 5" flue to a 7" flue, allowing for improved ventilation and air flow. Made with high-qu...

This lightweight and durable Aluminum Flex Duct Non-Insulated 3" is an essential tool for any ventilation or HVAC system. Made with high-quality ma...

Protect your home with our high-quality Double Wall Flashing 4". Made with durable materials, this flashing provides 100% leak protection for your ...

Double-wall type B draft hood. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Dia...

This 4" Double Wall Type B Gas Vent Cap is an essential accessory for your gas vent system. Made with high-quality, durable materials, it ensures p...

Efficiently adjust your ventilation system with our Single Wall Reducer. Designed to reduce from 5" to 4", this product ensures a seamless fit and ...

This Single Wall Tee Joint 4" is a necessary component for any single wall chimney system. With its durable construction and precise design, this t...

This Type B Double Wall Increaser is designed to increase a 5" flue to a 6" flue, allowing for improved ventilation and air flow. Made with high-qu...

Double-wall type B draft hood. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Len...

Double-wall type B draft hood. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Len...

Double-wall type B gas vent. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Lengt...

Double-wall type B gas vent. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Lengt...

Double-wall type B gas vent. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Lengt...

Double-wall type B gas vent. Designed to be used with other Mitchell Metal Products duct materials. Will not work with other brand gas vents. Lengt...

Maximize the efficiency of your gas vent system with our 90 Degree Double Wall Type B Gas Vent. The 4" diameter ensures proper ventilation and the ...

Ceiling plate with crimped edges, 3" diameter of inside circle. 9" diameter overall.