HVAC

Knob-operated worm gear adjusts butterfly valve, to full open or close. Controls volume evenly, not air pattern minimum air restriction. Steel ring has brown enamel finish. Includes adjustable handle.

4 In. R2 Pro wall exhaust hood white, Innovative damper design prevents back drafts and heat loss. Designed for maximum airflow. Energy efficient. Weighted damper prevents back-draft. 100% gasket seal provides quiet efficient operation. Ideal for dryer...

For use with solid fuel appliances such as woodstoves. 90 deg. angle. For single wall pipe. Elbows can be adjusted to any angle between a straight line and a right angle.

Tub of color crystals for rainbow color effect in fireplaces, firepits, woodstoves or campfires. The crystals will burn for about 10 minutes.

All-steel construction. Wide border compensates for oversize floor openings. Strong rolled edge face bars set at graduated angles for wide diffusion. Parallel valves deflect air to wall or into room.

Concrobium Moisture Grabbers XL provide humidity reduction technology for large, indoor areas. The unique water-absorbing pouches absorb and eliminate excess moisture in areas that are prone to excess humidity. The easy-to-use pouch traps moisture on the...

Cast-iron. Converts 30 gallon or 55 gallon drum into woodburning heater. Includes cool touch cam-lock type door, spin dial draft control, mounting legs, stovepipe collar and hardware. Barrel and gasket material not included.

Stamped brass designed for durability, function, and beauty. Contemporary louver design with diffuser.

4 In. dryer wall vent cap. Modern, flush mount design with magnetic seal that allows for maxiumum air flow and easy clean access. Constructed with powder coated galvanized steel.

Sludge Treat storage tank additive cleans and conditions heating system fuel oil. Prevents fuel-related failures, improves combustion efficiency, reduces soot formation and conserves energy. Hercules products are built to last and are trusted by plumbers...

True filter, compatible with the Perfect Aire 1PAPUV27 air purifier. Captures 99.97% of all airborne particles as small as 0.3 microns such as , viruses, dust, dust mites, mildew, mold spores, pet dander and pollen. Package includes 1 activated carbon...

Adjustable periscope 0 inches to 5 inches. Use where outlets overlap or are very close. Baffles help direct airflow in 3-inch to 5-inch situations. Sections are not reversible. Draw band female collar. All metal rigid construction.