Global Water - ETCF - Carbon Block Twist filter
ETCF Carbon Block Twist Filter
Tool-free carbon block filtration for G3RO, G4RO, and G5RO bottleless water coolers. Twist in, twist out, done in seconds.
Effective carbon filtration without the hassle
Easy Twist Installation
No tools, no plumber, no downtime. Quarter-turn design locks the filter into place on all compatible Global Water coolers in seconds.
1 Micron Carbon Block
Dense carbon block construction traps sediment and particles down to 1 micron while actively reducing chlorine, lead, cysts, and organic contaminants.
Maintains Flow Rate
Balances filtration performance with consistent water flow to keep your cooler dispensing at normal speed throughout the filter's lifespan.
Lead & Cyst Reduction
Removes common health threats including lead particles and waterborne cysts that can pass through basic sediment filters.
Works with Global Water bottleless coolers
The ETCF Carbon Block Twist Filter is designed specifically for Global Water G3RO, G4RO, and G5RO reverse osmosis bottleless water coolers. The twist-lock housing ensures a secure fit on all three models without modification.
Simple replacement schedule
Standard Replacement
Replace the ETCF carbon block filter every six months under typical office or home use to maintain filtration performance and water quality.
High-Volume Use
In high-traffic environments or locations with poor source water quality, consider replacing the filter every 3 to 4 months to prevent clogging and flow reduction.
No Tools Required
Twist-lock design means anyone can replace the filter in under a minute
True 1 Micron
Carbon block construction filters down to 0.0004 inches for serious contaminant removal
Six Month Lifespan
Reliable performance for half a year before replacement is needed
OEM Quality
Global Water engineered filter designed specifically for their RO cooler systems