Accessory Type Floor Pad Compatible with Product Type Free-Standing Vented Gas Floor Heaters Compatible Grainger Part Number 2NCR5 2RCG8 2RCH2 2RCH5 Compatible Mfr Model Number RH50BLP RH50BNAT RH65BLP RH65BNAT Function Fire Protection for Rugs that may be Extremely Thick and Light-Color Tile that can Discolor