Lynn Manufacturing Replacement Regency Fireplace Products Ceramic Fiber Baffle Board Classic F2400, I2450 & F2450, Hampton HI2450, Cascades F2500 & 2500 Insert, 020-957, 2875A. 2875A Replaces: Regency Fireplace Products 020-957, set of 2. Fits: Regency Classic F2400, S2400, I2450, & F2450, Hampton HI2450, Cascades F2500 & 2500 insert, and Alterra CS2400, CS2403, & CS2405. Size: 18-1/4″ x 15″ x 1 overall when mated with shiplap joint. Material: Ceramic fiber alternative board which, unlike ceramic fiber, is not classified as carcinogenic or hazardous. Board is hard, strong, withstands 2100F, and is rigidized grey for added durability. Material is comparable to Superwool Plus, SuperMag, and Insulfrax. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Your satisfaction is a wonderful reward for our efforts. Please assist us by leaving a positive review if you feel pleased with our service. Kindly consider opening a COMPLAINT or a RETURN REQUEST as a last resort, only after all other possible measures have been attempted and we have been unable to provide you with assistance. We will get in touch with you within 24 hours and make every effort to ensure your satisfaction. Please rest assured of our service quality.