The Laguna Replacement O-Rings are suitable for the Laguna PowerClear Multi 1,000 US gal. (PT1817) and the Laguna PowerClear Multi 1,500 US gal. (PT1818).
There are three O-Rings in a pack.
Size of O-Rings : 1 inch
Laguna Replacement O-Rings for Laguna PowerClear Multi
Free Standard Ground shipping within the Contiguous US on all orders over $40.00. * exclusions apply (Free shipping not available to HI, AK and PR)