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Certikin 6mm Heat Retention Cover - Thermalux 6mm Foam (Blue/Blue)
Certikin foam heat retention covers are manufactured from a closed-cell PE foam. Our 6mm thermalux is suitable for all heat retention purposes on pools run up to 30°C and benefits from a laminated underside and a strong woven polyethylene top coat making it extremely hard wearing. The density of the material helps to keep light penetration to a minimum and therefore reduces algae growth.