Watkins Wellness Winterizing Blanket 31399 Type_Massage Chair and both have a 1-1/2

and both have a 1-1/2 inch threaded bottom

Extends the life of most pool covers

Intex "B" filter

110K BTU Tree-Style Brass Burner with WATERSTOP

Watkins Wellness Winterizing Blanket 31399 Type_Massage Chair and both have a 1-1/2Watkins Wellness Winterizing Blanket 31399 Overview Install the vinyl covered, fiberglass insulated Winter Blanket inside of the equipment compartment door, adding additional precaution against partial freezing to some of the your spa's components while maximizing energy efficiency. Whats in the Box 1 x Watkins Wellness Winterizing Blanket 31399 Specifications 24"H x 80"W x 1"D Vinyl backed fiberglass insulation blanket. Brand Watkins Wellness