Photo 1 of Hydro Snooze Water Cooling & Heating Mattress Pad: Bed Cooling System for Hot Sleepers. Temp Range 59-131°F. Half King/TwinXL Size 36" W x 79" L. Use Two for Dual Zone Temp Control on 71"x79" Beds.

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Photo 1 of Hydro Snooze Water Cooling & Heating Mattress Pad: Bed Cooling System for Hot Sleepers. Temp Range 59-131°F. Half King/TwinXL Size 36" W x 79" L. Use Two for Dual Zone Temp Control on 71"x79" Beds.Photo 2 of Hydro Snooze Water Cooling & Heating Mattress Pad: Bed Cooling System for Hot Sleepers. Temp Range 59-131°F. Half King/TwinXL Size 36" W x 79" L. Use Two for Dual Zone Temp Control on 71"x79" Beds.Photo 3 of Hydro Snooze Water Cooling & Heating Mattress Pad: Bed Cooling System for Hot Sleepers. Temp Range 59-131°F. Half King/TwinXL Size 36" W x 79" L. Use Two for Dual Zone Temp Control on 71"x79" Beds.