Left Continue shopping
Your Order

You have no items in your cart

Don't forget...
Free Shipping on orders over $99
AQUA MagazineThis large outer cartridge is designed to use with Pentair Sta-Rite System 3 SM-Series 21-Inch pool and spa cartridge filter model S7M120. 200-square feet filtration area. Measures 19-Inch length by 23-Inch height by 19-Inch width.