Silvan C1800-34 air chamber pulsator Diaphragm
Silvan Comet Air Chamber Diaphragm
Suits many BP Series Pumps including BP40/15, BP40K, BP40/20, BP60/20, BP60K, BP105/20, BP125/20, BP125K, and more.
Silvan Part number is C1800-34 other part numbers 1800.0034.00 or 1800 0034