Co2 Valved Cylinder for Aquariums 3.5KG

• Pre-filled with CO₂ – ready to connect and use.

• Aquarium safe – trusted for planted tanks and aquatic livestock.

• Certified compliant – AS/NZS 1841.6 approved and refillable.

• Standard valve – W21.8 thread suits all NZ regulators.

• Durable construction – powder-coated steel body with brass valve.

Specifications

• Capacity: 3.5kg CO₂ (pre-filled)

• Height: 57cm (with valve)

• Diameter: 15cm

• Valve: W21.8 (NZ/AU standard)

• Certification: AS/NZS 1841.6

• Application: Aquarium safe