Review on 🐠 Tetra Whisper Air Pump for Aquariums - Powerful, Quiet Airflow for Enhanced Aquarium Experience by Candice Davis

I have bought 5 of these pumps. I still use them all. pretty calm. Powerful air delivery. two pumps eventually started pumping less air. That's one of the reasons I bought new pumps. A repair kit for this pump is $15 and a new pump is $20. But after the second pump failed I bought a kit. One side of each pump has become very weak. I thought it was a bad rubber pump but the check valve on the outlet failed on both units. The small silicone valve was worn out and not keeping the air out. So one repair kit repaired two pumps. replaced the broken parts but kept the rubber pistons in case they might fail later. However, $15 for a repair kit versus $20 for another new pump. tough decision But, a repair kit for two pumps, I agree