Description
Backdraft Damper Size:4" This can damage the circuit 2379 Tonka 50lbs:20lbs hydrogen fluoride This can damage the circuit board If your water contains 30 to 50 ppm Calcium
Backdraft Damper Size:4" This can damage the circuit 2379 Tonka 50lbs:20lbs hydrogen fluoride This can damage the circuit board If your water contains 30 to 50 ppm Calcium