Key Product Features: Complete Complete set 10 inch big clear housing,with plastic wrench,screw and metal bracket.Housing only, filter cartridges are sold separately .The clear housing allows you to see when you need to change filters and everything else works as it should. Pack of 3 sets. Air release valve Equip with pressure release button for high pressure . How it works? Please refer above photo. Specification: Maximum Pressure: 80 psi ,SUGGESTED WORK PRESSURE: UNDER 50 PSI ,Temperature:40-110°F/5-45°C , Shelf life: 5 Years. Note: 1. Please lubricate the o-ring with silicon grease and use wrench provided to prevent leakage. you may search "whole house water filter " on YouTube, there is some video about this housing, it is very helpful if it is the first time to install it. 2. Protect filter housing from freezing. 3. This filter housing has a maximum operating pressure rating of 80 psi, if you suspect that your water pressure will at any time exceed 60 psi, a pressure regulator MUST BE INSTALLED before the filter housing. this action will guard against the water pressure exceeding the maximum pressure rating.it is recommended that the pressure regulator be set at 50 psi or less. 4. The rubber o-ring provides the water tight seal between the cap and the sump. it is important that the o-ring be properly SEATED IN THE GROOVE of a water leak could occur. More valuable information: 1. What is dimension of the big clear housing? ANSWER: It is standard sized housing for 4.5"OD x 10" height filters . 2. What is in the box? ANSWER: 3 x 10 inch big CLEAR housing with pressure release , 3 x plastic wrench ,3 x metal bracket and 3 bags screws. 3.What is filters options? ANSWER:1).PP spun filter, Remove sand, dirt, sediment. life time:6 months. 2).Carbon block filter, Further remove chlorine, taste & odors, very fine particulates. life time:6 months. PS.The Life Time of the Filter Cartridge Depends on Usage Amount and Feed Water Quality.Below is more options for matched filter cartridges and similar size housing: Whole house blue housing,fit all standard size 4.5 x 10 Inch filters Whole house clear housing,fit all standard size 4.5 x 10 Inch filters-Pack of 2 PP Sediment Replacement Filter,Remove silt sand particles 4.5"X 10" 5 mic Carbon Block Water Filter,Remove chlorine taste odors- 4.5 " x 20 " 5um 2 Stage Whole House Water Filter System w/ 4.5"x10" Blue Housing PP Carbon 2 Stage Whole House Water Filter System w/ 4.5"x10" Big Clear Housing PP Carbon Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 364 4.2 out of 5 stars 39 4.4 out of 5 stars 39 4.4 out of 5 stars 251 4.2 out of 5 stars 191 3.7 out of 5 stars 99 Price $39.69$39.69 $79.99$79.99 — no data $21.69$21.69 $103.73$103.73 $119.69$119.69 . no data no data no data no data no data no data Whole House 12 GPM UV Water Filter– 55W PP Sediment Replacement Filter,Remove silt sand particles 4.5"X 20" 5 mic Carbon Block Water Filter,Remove chlorine taste odors- 4.5 " x 20 " 5um Whole house clear housing,fit all standard size 4.5 x 20 Inch filters Whole house blue housing,fit all standard size 4.5 x 20 Inch filters 2 Stage Whole House Water Filter System w/ 4.5"x20" Big Clear Housing PP Carbon Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 124 4.2 out of 5 stars 42 4.6 out of 5 stars 430 4.1 out of 5 stars 324 4.1 out of 5 stars 174 3.9 out of 5 stars 51 Price $199.19$199.19 — no data $34.99$34.99 $62.99$62.99 $105.99$105.99 $189.23$189.23 . no data no data no data no data no data no data