This Seal is a Salt/ Ozone Resistant PS-3867 which is the Better - Viton Carbon Graphite version of the PS-200 Seal used Primarily in Aqua-Flo Wet Ends and Waterway "Viper" Wet Ends. It is 1 1/4" Across the back of the Spring Seal part that goes onto the Impeller and the Ceramic & Rubber part that goes into the Volute or Wet End Back is 1 1/4".

The Hole in both parts is about 5/8". The Spring Seal part goes onto the shaft of the Impeller and the Ceramic & Rubber part that goes into the Volute. The Hole in both parts is about 5/8". To Install you should put silicon sealant on the shaft of the Impeller and gently push it onto shaft after you have put a small amount of Silicon on the Impeller Shaft. Also the rubber part can use a light coat of silicon to slide it into place in the Volute or Wet End Body.

If you need an impeller and/or silicon look in our store.

*Note: This Seal is Only Found in Waterway "Viper" and EX2 wet ends all other Waterway wet ends use a Better 1000 Seal...

Note: We have done a lot of extra work to help you choose the correct part with videos and pictures please choose with care..