Original OEM replacement for the LWH-D Whole House Filtration System. The iFilters SG5-2510 cartridge filters and reduces sand, dirt, sediment, rust, and any other particle down to 5 microns. The IF-P117 (Aqua-Pure AP117 Compatible) Premium Carbon GAC Water Filter is a Granular Activated Coconut Shell Carbon filter that Removes Chlorine, taste and Odor and has a High Dirt Holding Capacity. Original OEM replacement for the LWH-D Whole House Filtration Systems. Whats in the Box? 1pc SG5-2510 Polypropylene (Aqua-Pure AP110 Compatible) Filter. 1pc IF-P117 Premium GAC Carbon (Aqua-Pure AP117 Compatible) Filters Compatible replacement for any standard 2.5" x 10" Dual Stage Whole House Systems. SG5-2510 Specs: 100% pure polypropylene, Max Operating Temp: 145 F, 5 micron nominal filtration rating, High absorption, Dimensions: 2.5" x 10" standard size, Filter Life: 3 - 6 month, Flow rate: 8 gpm. IF-P117 Specs: Coconut Shell Carbon, 40 F - 100 F, 2500 Gallons, Graded density for up to 30% longer life, 5 micron nominal filtration rating, High absorption activated carbon, Dimensions: 10 inches L x 2.5 inches W, Filter capacity: 10,000 gallons, Flow rate: 3 gpm. To maximize filter system performance, be sure to replace approximately every four to six months, depending on your local water quality.