Passive Solar Heating Analysis Design Manual #90110
Spnonsored by the US Government, this study was produced at Los Alamos National Laboratory. Includes numerous illustrations and... read more
- Made from durable resin material Constructed with thousands of small air bubbles to capture and transmit heat from the sun to your swimming pool
- Helps prevent up to 95% of pool water evaporation, thus reducing heat loss at night or on cloudy days.
- Blocks undesired dirt and debris from your pool
- Made in North America
- 8 Year Limited Warranty / 2 Year Full