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GANDONE Portable Spa Water heaters, Hot Tub Immersion Water Heater Cast Aluminum Submergible mit Temperature Sensor and Digital Display for BathtubAmazon$77.32and up
VEVOR Cast Iron Water Transfer Pump, 115V AC 1600 GPH 1/2HP, Portable Electric Utility Pump with Carbon Brush, Filter, Brass Connectors, for Garden, Rain Barrel, Pool, Pond, Hot Tub, Aquarium DrainingAmazon & 1 more$13.99
Cast Covers for Shower Adult Foot, Waterproof Foot Cast Wound Cover Protector for Shower Bath,Soft Comfortable Watertight Seal to Keep Wounds Dry, for Showering, Bathing and Hot-tub(Adult Foot)Amazon$14.99
Waterproof Leg Cast Cover for Shower, Adult Full Leg Cast Shower Protector,Soft Comfortable Watertight Seal to Keep Wounds Dry, for Showering, Bathing and Hot-tub, Cast Watertight ProtectionAmazon$97.99
Trupow Cast Iron Water Transfer Pump, 115V AC 1/2HP 1450 GPH, Portable High Pressure Electric Utility Pump with ON/OFF Switch, To Remove Water from Hot Tub, Garden, Rain Barrel, Pool, Aquariums, etcAmazon$89.99
VEVOR Cast Iron Water Transfer Pump, 115V AC 1600 GPH 1/2HP, Portable Electric Utility Pump with Carbon Brush, Filter, Brass Connectors, for Garden, Rain Barrel, Pool, Pond, Hot Tub, Aquarium DrainingAmazon