The Aqua-Pure AP814 Rust & Sediment Whole House Water Filter Cartridge fits the AP801, AP801T, and the AP801-1.5 Whole House Water Filter Systems and as well as all brands of housing with the same size requirements. The AP814 composite wound water filter cartridge design allows large particles to be trapped on the outer surface while smaller particles are trapped closer to the core. This makes AP-814 water filters ideal for use if you have heavy dirt / sediment problems in your water.
The AP814 specifications:
The AP814 is a top of the line filter from Aqua-Pure. Also known as 5599401 and 55994-01.