Mechanical Seal Kit suits all SpaNET Jetmaster, Davey QB series, LX Whirlpool pumps. Come in 2x grades. Standard & Superior. Standard seals are far better than older LX Whirlpool seals.
Dimensions:
Spring Section: OD of Rubber: 41.5mm / ID: 17.4mm
Ceramic Section: OD of Rubber: 35.5mm / ID of Ceramic: 18.95mm