Grohe 40691001 Blue 3 1/2 Inch Magnesium Filter

This best water technology Replacement Filter for Blue for recharge of the water with magnesium unto 400 Liters. It is used to supplement the magnesium content of the water.

• Finish designed to resist corrosion and tarnishing through everyday use
• Designed for use with standard Canadian plumbing connections
• Recharges water with magnesium
• Capacity: 105 Gallons (400 L) at 15^o dGH
• 5 phases filter