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Furnace humidifier filter. Improve humidification with a new replacement pad. Materials and workmanship equal manufacturer specifications. Fits Aprilaire 350, 360, 560, 560A, 568, 600, 700, 760,...

Low profile 4" louvered cap with removable pest guard to keep out unwanted birds and other pests. UV- plastic. Cap is paintable to match exterior. Also, includes (1) 4" diameter aluminum pipe and...

Galvanized straight tee joint used as a 90 deg (degree) branch for venting, including heating and air conditioning.

The Lambro 3-1/4 In. x 10 In. to 6 In. round galvanized steel straight register boot used for HVAC systems, floor registers or range hood venting. Installations consist of transitioning from round...

For dryers, bathroom vents, and range hoods. J-block nail flange included for use in new construction (can be discarded or recycled if application is not for new construction). Vent cap wide-mount...

Stainless steel outer casing and inner liner. Double-wall pipe with solid pack insulation. Tested to withstand 2100 F (degree Fahrenheit). UL (Underwriters' Laboratories) listed. This test helps to...

Round vent is UV (ultraviolet) stabilized polymer resin with a molded in mesh screen. Extra long collar for better duct connection. Secure friction fit in the soffit.

This Imperial Short Reducer is used to effectively reduce the diameter of galvanized round perimeter pipe when making connections. The connector is used to transition from 6-in pipe to 4-in pipe in...

Imperial round duct offers an efficient way to distribute warm and cold air throughout your duct system. Available in a variety of sizes to route air in different directions, round duct can be used...

Imperial round duct offers an efficient way to distribute warm and cold air throughout your duct system. Available in a variety of sizes to route air in different directions, round duct can be used...

30-gauge. 6" diameter. 90 deg. angle. Made from 1 piece of metal for extra strength.

For bathroom venting. Fits 4" diameter duct. 6" square flange and 3" long pipe extension. Aluminum. Mill finish.