Natural Chemistry 1L Pool Magic Spring & Fall | 13722NCM Hayward Diatomaceous Earth Filters Union Design: Features a union

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

This kit allows you to switch between fuel types

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

Compatibility: Designed for the Hayward DE2420 filter model

Natural Chemistry 1L Pool Magic Spring & Fall | 13722NCM Hayward Diatomaceous Earth Filters Union Design: Features a unionNatural 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