UNITHERM IV4224 VALVE INSULATION 42 IN L 24 IN W

UNITHERM IV4224 - VALVE INSULATION 42 IN L 24 IN W - VALVE INSULATION LENGTH 42 IN. VALVE CIRCUMFERENCE RANGE 31 IN TO 37 IN. INSULATION MATERIAL MINERAL WOOL AND FIBERGLASS JACKET MATERIAL SILICONE COATED FIBERGLASS CLOTH FITS VALVE TYPE UNIVERSAL THICKNESS 3 IN. APPROX R VALUE 0.48 MAX TEMP 900 DEGREES F COLOR GRAY WIDTH 24 IN. - EQUAL TO 48ZY02