I found this on ebay and I’m impressed with the low noise but I have not tested it with all the air stones yet, so until this is updated I can only say I’m happy it wont upset the neighbors.
Sonic P-45 Noise-Free Air Pumps
Model P-45
LPM 45
Pressure (Kpa) 35
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what the litres per min? or gallons per hour?
Which pumps have you tried? I, too, was looking for a quiet one. I’m going to try jehmco’s DAPMH30. Should be quieter than the sunleaves eocp268…
Sonic p- 45 I use the air motor and can not find the spare parts in yasadigim country. Sonic me p- 45 in the spare diaphragms you be lazim help you. Contact fears85@gmail.co access . Thanks.