Broad compatibility: The Sump pump check valve is suitable for any pump with 2-Inch NPT flow rate.
Transparent appearance: Check valve aquarium's valve body is transparent, you can directly observe the flow of water and whether the pipeline is blocked by foreign matter.
Prevent water backflow: there is a check valve in the middle of the pump to prevent sewage from entering the sump again. The check valve has a unique spring-loaded baffle that keeps the pump quiet during operation.
What's included: Comes with 4 stainless steel clips and 2 NBR couplings.
After-sales service: If you have any questions, please contact us and we will answer your qluestions.