O rings will perish and replacing regularly helps prevent any un-necessary leaks, this Genuine Tropical Marine Centre O ring pack is available now from Discount Leisure Products with fast shipping.
O ring sizes supplied
Smaller O rings Fits Pro clear advantage 30 & 55 & the Ultra 55. The large pair of O rings are suitable for Pond clear 15 & 25, Pro clear advantage 30 & 55, Pro clear ultra 55, Pro clear Ultima 30 & 55 and the Pro pond 110