Inline check valves

[islander84]

Wheres a good place to get inline check valves? probably 1" pvc

 

[pickupman66]

I am sureyou probably know, but Please dont reply on a check valve to keep your sump from overflowing in a power outage.

that said I have a large 2" one.

 

[.AcroKiller.]

Wheres a good place to get inline check valves? probably 1" pvc

Bulk reef supply