Natural Chemistry 1L Pool Magic Spring & Fall | 13722NCM Hayward Diatomaceous Earth Filters Compatibility: Designed for the Hayward

Compatibility: Designed for the Hayward DE2420 filter model

Upgrade your Pentair ProVacuum system with the Metal Polished Chrome Snap-Adapt Handle (R201420)

This filter has 2-1/2" internal piping

Union Design: Features a union style connection that allows easy disconnection and reassembly

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

Natural Chemistry 1L Pool Magic Spring & Fall | 13722NCM Hayward Diatomaceous Earth Filters Compatibility: Designed for the HaywardNatural 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