The Blue Diamond ET400 provides 500 liters of air per minute (7962 gallons per hour) using only 275 watts of power. Suitable for use with up to 50 Air Injection Rings.

• Quiet operation
• Robust and compact weatherproof construction
• Energy-efficient green drive technology has low power consumption
• Supplied with a brass fitting, rubber elbow, pipe clips and extra diaphragms

All air pumps are recommended to be serviced every 12 months to maintain optimal performance. We offer air pump service and maintenance kits.