Natural Chemistry 1L Pool Magic Spring & Fall | 13722NCM Hayward Diatomaceous Earth Filters The cover itself is Blue

The cover itself is Blue and atop that sits the swivel assembly which is Gray

This part is Aqua Blue and very easy to install

Always check and replace the O-ring (if needed) when installing this plate—an imperfect O-ring defeats the benefits of a secure seal

This filter has 2-1/2" internal piping

Durability: Built with high-quality materials for long-lasting performance

Natural Chemistry 1L Pool Magic Spring & Fall | 13722NCM Hayward Diatomaceous Earth Filters The cover itself is BlueNatural Chemistry Pool Magic Spring & Fall 1 L Quick acting enzyme treatment designed for cold water to prevent waterline rings and streamline pool opening and closing. Features SMARTZyme enzyme formula targets non living organic build upeven in low temperatures Prevents scum lines and preserves pool liner and finish integrity Compatible with all sanitizers, filter types, and pool surfaces Reduces need for scrubbing and eliminates acid washing in