Standard Features Ease of Use - 85% lighter design results in less strenuous cart movement* Compact Design - Low profile Carbon Filtration System increases cart stability Retrofitable - Carbon Filtration System may be retrofitted on your existing M1 or M2 cart or docking station Cost Effective Performance - Change out schedule should result in less costly operation and eliminate need for onsite service Reliability - Chlorine & Chloramine removal guidelines allow for flexible replacement options without compromising performance Cleaner Regular change out results in less potential bacteria buildup in the carbon filter * when compared with (2) 0.85 cu. ft. carbon tanks.