of max breakaway torque
reducing arm fatigue
simply thread the elbow into one end of the duct (no clamp needed)
Rockwool delivers the sound absorption you want and the fire resistance you need
BestAir Extended Life Humidi-Wick EF21 Humidifier Wick Filter Pack options:Pack of 1 of max breakaway torquePatented reinforced design for longer life and better efficiency than standard expanded wicking filters. Traps impurities in the water. Anti microbial treated. Fits Essick Air Moistair MA 0600, 0800, 08000, 0950, 1200, 1201, 09500, 12000, 12001, 12010. Fits Kenmore 14410, 14411, 14906, 14410, 144105, 144106, 144107, 144115, 144116, 144117, 1144118, 154120, 15408, 154080, 15412, 17006, 29706, 29979, 29980, 29981, 29982, 29988, 29980C, 299795, 299796C,