... friendly. 2.Rplaceable. 3.Easy installation. 4.Light weight. Fiber glass filterSpeciality: It's applied to high-quality paint spray filter ... 50/PA-100 are especially for heat reclaimer, high strength fiberglass with gradual structure, inlet side is green, outlet side ... is white, low compressibility keeps its shape and makes fiber deposit paint, mist, soot, etc. Temperature resistance: 170degree. ...