but it is possible that this solution can leak out during shipping

Activated Carbon Block

If total hardness is over 7 gpg

A) Sulphur B) Filterable solidsC) Greater than 0

Cartridge changes color as the resin exhausts

Quad Filter Bracket with PSI Hole (Steel) filmtec but it is possible thatQuad Filter Bracket with PSI Hole (Steel) This is a steel filter bracket ( heavy duty) Powered coated white. It will accommodate up to four 10 " filter housings. It is lip up design with slots to allow for different size filters. This is the frame we use on our famous Typhoon EXTREME unit. The PSI hole can accommodate a 2" diameter PSI gauge. Dimensions and Weight Width: 22. 0" X Height: 3. 0 " X Depth: 5. 5 " Weight : 3. 3 Pounds