Pentek 160367 20 inch Big Blue Filter System Housings 12x24x2 MERV 8 filters are

12x24x2 MERV 8 filters are a considerably better choice for healthier air

a 16x25x4 furnace filter with a MERV rating of 13–16 removes and captures smaller particle sizes even before the filter starts to become dirty

Actual Size of Filter: 11 3/8 x 23 3/8 x ¾

Directions for use:

that is just the initial efficiency…after a few complete air changes

Pentek 160367 20 inch Big Blue Filter System Housings 12x24x2 MERV 8 filters areThe Pentek 160367 is an ultimate house water filtration system that efficiently filtrates unwanted odor and foreign particles such as sand dirt sediments chlorine etc. Specifications: Connections: 1. 5" FPT Mounting Bracket: part number 150061 Filter: NCP 20BB Removes Reduces: Sand, Dirt, Sediment, Chlorine, Taste & Odor Micron Rating: 10 Flow Rate: 10 GPM Temp Range: 40 125 Please note: If your incoming psi exceeds, or will exceed at any time, 90 psi