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

Eye-bolts thread steel nuts for strength and smooth operation

Class I Standard

Maximum working pressure: 4000 Psi

With pull chain

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