Mini CO2 Regulator for Aquariums

Compact & Portable: Perfect for small or desktop aquariums, with a slim design (9.84" tall, 1.96" wide) for easy one-handed use. Compatible with 5/8" & 3/8" CO2 Cartridges: Fits standard 5/8" cylinders, includes 3/8" adapter—no extra converters needed. Long-Lasting CO2: High-density liquid CO2 lasts up to 50 days (1 BPS) on a 45g cartridge (8-hour daily use). Effortless Setup: Quick-Connect feature for easy CO2 tubing installation, no need to rotate the pipe.