Poolmaster Pool Vacuum Is on Sale for $22 on Amazon Now. You can save $7 with this deal. For vinyl liner swimming pools and fiberglass pools, the Air Relief Swimming Pool Vinyl Liner Vacuum features a stainless-steel tension spring handle which aids in keeping the pool vacuum submerged and level to the pool floor. Two self-adjusting air relief valves help control the amount of suction created by the vacuum, making removing dirt and debris a breeze. The swivel-function hose adaptor connection helps in maintaining kink-free cleaning operation (hose not included). And the Air Relief Vacuum can work with 1.25-inch and 1.5-inch vacuum hoses  and a standard pool hose (not included).  Poolmaster’s Essential Collection offers a generous selection of performance and built-to-last products made from resilient components designed to keep your pool sparkling.