Whole House Water Filter System, 4.5" x 20" Twin Series Filtration Universal Housing - 1” FPT Port 585 gal It has an upper wall

It has an upper wall support keep it secure to the wall and includes a vacuum breaker to protect against backflow

the 54846 Tank Pressure Gauge (0–20 psi) is recommended

Grainger Part # 5REE7

or 12-24 volt battery banks

Whole House Water Filter System, 4.5" x 20" Twin Series Filtration Universal Housing - 1” FPT Port 585 gal It has an upper wallThe Twin Series Whole House Water Filter System is a high capacity two stage filtration housing designed for residential, commercial, and well water applications. It combines sediment and carbon filtration in a durable Big Blue style housing to improve overall water quality while maintaining strong flow performance. Features Available in black or blue sump housing Two stage filtration (sediment + carbon) for improved water quality 5 micron sediment