Specifications:

• Deluxe Big Blue Filter Housing with bracket and wrench included! 
• Double oring provides better seals with no leaks over standard single oring type housings.
• 1in. inlet. Fits 4.5" x 20" big blue cartridges. Includes pressure relief valve built-in
• 20" Large Blue Housing Kit 1" NPT black cap with pressure relief, 
• Includes sump wrench, mounting bracket and hardware
• listed and FDA grade materials
• Maximum pressure 100psi.
• Maximum temperature 100F.
• Must be mounted so Inlet and Outlet are horizontal to floor, and filter housing is in vertical position.