Very easy to install these replacement parts, just look to ensure the valves line up the same way as the old ones come out.on my second set of new parts, had my aps400 for four years now running constantly. It's a little loud, but all airpumps are noisy and this one isn't too bad.id buy the same again when this one eventually dies on me.
Verified purchase: Yes | Condition: New
This little kit is a life safer, cheap but great quality and easy to swap with old damaged parts, saves buying new pump!
Verified purchase: Yes | Condition: New
Replacement diaphragm for an air pump. Got what I ordered for a good price in good time.
Verified purchase: Yes | Condition: New
works great my fish thank you
Verified purchase: Yes | Condition: New
from some reason, the output air flow is not equal between the 2 outputs I have changed both of the rubber membrane to the new ones.
Verified purchase: Yes | Condition: New
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