N/A Giant filter housings offer the following:

• Available with Keystone’s EXCLUSIVE 10" and 20" clear styrene acrylonitrile (SAN) bowl or our 10" and 20" blue talc reinforced polypropylene bowl.
• Both 1-1/2" and 1" NPT connections are included in every GIANT filter head. (Also available with British pipe threads.)
• Head and sump threads incorporate Keystone’s EXCLUSIVE positive stop feature to prevent overtightening.
• O-ring is securely retained in groove at top of bowl so that it stays in place even during cartridge replacement.
• Available from stock with or without pressure relief vent button.
• Custom colors available by special order.
• Mounting bosses in head for available bracket.
• Accepts industry standard cartridge size: 4-1/2" O.D. x 1" I.D. x 9-3/4" (full length), and 20" (double length).
• Full testing to industry standards of the Water Quality Association for burst pressure, water tightness and fatigue resistance.
• FDA grade material for potable water