Aquarium CO2 Kit with Regulator, 2 x 16g Cartridges, 3/8" Thread

• 【CO2 Without a Bulky Cylinder】 The compact 5.5 x 2 in regulator saves space beside nano planted tanks while keeping the pressure gauge, bubble counter and controls easy to reach.
• 【Start With the Parts You Need】 Includes the regulator, two 16g CO2 cartridges, bubble counter, diffuser, 6.5 ft tubing and suction cup, reducing the need to buy basic components separately.
• 【Swap Cartridges Instead of Refilling】 Replace the empty cylinder with a new 16g cartridge. At 1 bubble per second for 8 hours daily, each may last up to 12 days,totaling 24 days for a 2-pack; runtime varies by setup and output.
• 【Check the Thread Before You Buy】 Designed for standard 3/8-inch threaded CO2 cartridges. Confirm the cylinder thread before ordering; replacement 16g cartridges are available under ASIN B0GWGP6HBD.
• 【Security Safeguards Kit】 Crafted from high-strength aluminum with a precision sealing structure. This durable system guarantees maximum reliability and zero leakage while enhancing your tank's aesthetics.

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