Nature2 A30 Mineral Cartridge | W28165 Pool Covers a built-in pressure switch for

a built-in pressure switch for added safety

Inline design supports simple service within equipment bays

2-inch slip connections for straightforward installation and service

Filbur FC-1220 Filter Cartridge is a cartridge-style element used in pool and spa filtration systems

By maintaining a secure hose attachment

Nature2 A30 Mineral Cartridge | W28165 Pool Covers a built-in pressure switch forWhat This Part Is Used For The Nature2 W28165 A30 mineral cartridge is used in compatible Nature2 pool mineral sanitizer vessels. It releases controlled amounts of minerals into the circulating water to supplement traditional sanitation. Why This Part Matters An expired or depleted cartridge reduces the effectiveness of the mineral system and can lead to higher chemical demand. Using the correct cartridge ensures consistent mineral delivery and stable