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Automatic air venting design to simplify maintenance
The Lennox 49K04 is a 240V Double Pole Double Throw (DPDT) relay
Made with durable materials to ensure long-lasting use
Pole Configuration: Available in single or multi-pole options
AO Smith 203371 F50A,E,F Prefilter 12" X 16" ( 1 Piece ) Replaces old-gtin_32279662264431 Automatic air venting design toAO Smith 203371 Replacement Pre Filter, For Use With: F300 and F50 Series Air Cleaners, 12 1 2 Inch W x 16 Inch H, Aluminum Frame Lightweight Money saver Generic equivalent available Multiple uses Low maintenance Washable High standard design Easy to install Commercial grade pre filter Electronic air cleaner pre filter
US$ 19.95
US$ 12.95
US$ 32.95
