Brinmar SBRHD (#0033H) Sound Blanket For Reciprocating Compressors For reciprocating compressors 5,000 to 42,000 BTU Fits Bristol H, Carlyle J, Copeland CR/CT/CV/JR/RE/RR, Tecumseh AB/AE/AH/AJ/AK/AV/AW and Toshiba TH Maximum Size: 10" x 10" x 15" high Minimum 40%+ reduction of compressor noise