Mspa Round Inflatable cover - Bladder

Please inflate the bladder and rest it on top of the water (under the cover), this provides better heat preservation and prevents sagging so the rainwater can runoff.
Please note this will only fit 4 man spa. We do have this cover for the 6 man version.
We also have a Square version for the Alpine 

Inflatable cover bladder to fit 4 person 140cm diameter round hot tub spa

Inflatable bladder provides better heat preservation and rain outflow.

Put the bladder onto the spa pool underneath the cover.

Suitable for any 4 person M-Spa round hot tub.