HOT TUB UV LIGHT JP lamp 1102 For Sale Jac Pac 1102 lamp purchased from Clean-tech industries in Port Coquitlam. Lamp measures about 26" long. The lamp uses UV light to purify water and can reduces reliance on chlorine or bromine. It was purchased for the hot tub but we never installed it. It was a spare light. Paid $91.20. Selling for $35.00