The Hydronix SDP-2510 radial flow carbon Filter are 10 inch x 2.5 inch dual purpose filters. They filter down to 25 microns and are perfect for compact filtration needs where only one housing is used. This 2 stage in one filter has a 25 micron sediment outer core with GAC Coconut Shell Carbon media in its center. The filter has a 3rd layer of 5 micron Polypropylene at its core to reinforce the filter and further filter contaminants. Effectively Reduces: - Sediment ; Organics ; Chlorine Taste & Odor ; Bad Taste & Odor. Specifications: - Filter Media: Granular activated carbon ; Applications: City or well water ; Dimensions: 9-3/4" L x 2-3/4" D ; Micron Rating (Nominal): 25, Initial (psi) @ Flow Rate: 0.6 psi @ 1 gpm ; Temperature Rating: 40 F to 125 F ; Compatible Part or Model Numbers: Ametek RFC-93, Culligan RFC-93, Pentek RFC93, USFilter / US Filter RFC-93, 155063-43, 15506343. Compatible Housings: - American Plumber W34PR, W34-PR ; Ametek CTR-210 ; Culligan HF-150, HF-150A, HF-160, HF-360, HF-365, US-550, US-560, SY-2000, SY-5167, SY-5197 ; Pentek #10 Slim Line housings ; Most brands' 10" slim housings (Ametek, Bruner, Cuno, Harmsco, Hydronix, Keystone, Kleen Plus, Plymouth Products, USFilter, Water Resources, and many other brands).