Best Air EF21-5/EF1 Humidifier Wick Filter, White, 31in x 7/8in x 7-3/4in Out of Stock Ring shank provides better holding

Ring shank provides better holding power

With pull chain

patented posi-glide shock-absorbing system for resisting wind damage

Solid brass padlock with a 5-pin cylinder and hardened steel shackle for extra cut resistance

Best Air EF21-5/EF1 Humidifier Wick Filter, White, 31in x 7/8in x 7-3/4in Out of Stock Ring shank provides better holdingHighlights: Traps impurities in the water Anti microbial treated Replace at least once per season or mostly under hard water conditions Provides clean, natural evaporative humidification Patented reinforced design for longer life and superior efficiency than standard expanded wicking filters Specifications: Size : 31"x7 8"x7 3 4" Color : white Material : aluminum