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Tjernlund CS2 Fresh Air Supply Fan is designed to boost fresh ..
The Tjernlund UnderAire Series Fresh Air Supply Fans for Crawl Spaces are designed to boost fresh ou..
Features: Boosts air flow in hard to heat or cool rooms; May be used as exhaust or air intake fans; ..
Technical Specifications: Inputs up to 600,000 BTU/hr Fits vent pipe sizes 6' & 8' in diameter..
Technical Specifications: Vent Pipe Diameter: 8', 10'; Frequency of Rotations: 1600 RPM; Input: 450,..
Whisper quiet operation; Low sone cross flow blower (1.4 sones) makes it 50% quieter than buzzing 'm..
The RV2 Radon Ventilator exhausts radon and other harmful soil..
Features: Easy installation; Maintenance free operation; Variable speed adjustable; Backward incline..
Features: Easy installation; Maintenance free operation; Variable speed adjustability; Backward incl..
Tjernlund V1D UnderAire Fan Powered Crawl Space Exhaust Ventilator quickly reduces moisture helping ..
Tjernlund V2D UnderAire Fan Powered Crawl Space Exhaust Ventil..
Fits Duct Size: 3'; Flange Size: 10 x 7-3/4'; Cap Height: 5-1/4'; Cap Width: 5-3/4'; Construction Ma..