21x52

Which liner fits your pool?
Full radius — fits Atlas & Lamark: 21×52 Concord Mystic Liner, 21×52 Lexington Pebble Liner
Made to fit — Aquasport 52 & Dauntless: 21×52 Aquasport 52 and Dauntless Pool Liners

A full radius liner does not fit an Aquasport 52 or Dauntless of the same size, and a made-to-fit liner does not fit an Atlas or Lamark. Not sure which pool you have? Call or text Mike: (978) 710-8667.