This is a Kit that features (1) PS-200 Seal and (1) Bearing that fit most motors that are mated to Aqua-Flo Pump Wet Ends The Professor silly Juice to seal the seal. This Seal is used in Most Aqua-Flo Wet Ends only look in our store for other seal & bearing kits. 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". Note: AquaFlo, Flo-Master, XP,XP2,XP2E, FMHP,FMCP,TMCP, FMVP 
To Install you should put silicon sealant on the back of the Metal part and gently push it into place. Also the rubber part can use a light coat of silicon to slide it into place in the impeller. 
We offer these alone, with The Professor's Silly Juice or with an Impeller in a kit so look at my eBay store. The bearing are standard fit for most motors with Aqua-Flo Wet ends.
To see our Video about these seals search YouTube for: Hot Tub Pump Wet End Seal How To Video American Spa Parts Seals
200VG-200USSPS200B10-0002-06925001505250-104AS-200,17304-0100SPS-200,6203,6203-rs,

35-423-1020, 35-423-1022, 35-423-1019, Aqua flo, aquaflo, 

Visit our eBay Store as we also offer these and other associated products and accessories for your Spa.
Please note: When you have a seal leaking in most cases you will need an impeller because the leak caused water to get into the metal shaft area that the impeller is screwed onto and expands and damages the impeller. The Hot Tub Professor offers How To Installation Videos on Seals and Impellers.

Shipping in The United States is Free. I Ship International Through the Global Shipping Program Only!!