Classic Oval Solid Winter Aboveground Pool Cover 18 x 40 Feet length_30 Feet DPD 1A and DPD 1B

DPD 1A and DPD 1B are added to a 5 or 10 mL sample to test Free Available Chlorine

And the net length can be shortened to a custom length

The curved rail includes: (1) Curved Rail

The check valve protects the pump and heater from back-up of highly chlorinated water

Cross braces provide extra strength and stability

Classic Oval Solid Winter Aboveground Pool Cover 18 x 40 Feet length_30 Feet DPD 1A and DPD 1BThis solid pool winter cover is designed to fit an oval pool with an overall size of 18 x 40 feet. These covers are designed to be larger than the pool itself to allow for sagging and overlap needed to install water bags. The overall cover size is 21 x 43 feet. GLI Solid Winter Covers are made from tough polyethylene fabric which is one of the most durable cover materials available. These covers have a double folded and double stitched edge with