Poolmaster 27200 14 1/2" Premier Heavy-Duty Gunite Flex Vacuum. Poolmaster’s Premier Collection features high-quality materials with outstanding performance in mind for season-after-season use designed to keep your pool sparkling. For removing debris from gunite pools with hard-surface finish, you need a reliable flexible vacuum that can get the job done. The flexible body allows for easy contouring on the pool or spa floor, and mar-proof wheels prevents scratches and scuffs. Four weights allows for vacuum to stay properly submerged. DO NOT use on vinyl liner pools. Can be used with any standard pool pole or vacuum hose – sold separately.