BWT Aquameter – Water Filter Meter with LCD Display, 3/8" Tap Use

Easily to install - With just two buttons and an LCD screen can easily be programmed with the water hardness. Easy to replace - The meter will count down to 0 at which point it is recommended that your filter cartridge be replaced.Easy to replace - the meter will count down to 0 at which point it is recommended that your filter cartridge be replaced. Long-lasting and durable. Compatible with all varieties of BWT water filter cartridges including BestMax Premium and BestTaste. Reliable and low maintenance.