Your Shopping Cart is empty.
Give it purpose - fill it with water filters, air filters, refrigerator filters, and more.
The Astral 18218RO100 R is a compatible replacement for the following pool filters:
The Astral Terra 18218RO100 Comp Pool Filter Cartridge is a spa filter replacement measuring 8 15/16" x 9 7/8" with 3 3/4" Open top and bottom holes. This compatible Astral Terra filter is constructed with 50 sq. ft. of media area for the reduction of contaminants in pool and spa water.