Nature2 Mineral Cartridge Replacement A30 pool-pumps Noise Reduction Rating (NRR)*: 33

Noise Reduction Rating (NRR)*: 33 dB

NSF certified for chlorine delivery rates and ETL safety certified

Gypsum wall board assemblies

open time and colors to meet many application needs

The 3M™ half Facepiece Reusable Respirator 7500 Series helps reduce exposure to many contaminants

Nature2 Mineral Cartridge Replacement A30 pool-pumps Noise Reduction Rating (NRR)*: 33The Nature2 A30 Replacement Cartridge works for 5,000 to 30,000 gallon above ground pools. Please Note: This Nature 2 A30 Replacement Cartridge W28165 contains one replacement cartridge. This is a single unit cartridge for the Nature2 A30 Replacement Cartridge W26765 four pack. Limited Cartridges (three posts) fit in any vessels. Standard Cartridges (two posts) only fit in standard vessels. May ship out as the W28166. Replacement mineral cartridge for