The unit has a durable diaphragm which provides a high flow rate, whichever pump you choose. High quality diaphragm. Aquarium Filters. The rubber feet absorb noise and eradicate vibration. Fish Tanks.
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Tetra APS 300 and APS150 Air Pumps. Both brand new unused. Price is for both
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eBay
Pleasant running smoothness thanks to sound-absorbing chambers, Very quiet operation thanks to innovative pump construction, strong wall and special, vibration-absorbing rubber feet, Exceptional quality and re Consistently high air flow thanks to the powerful, durable membrane, Air tap to control the air flow is included in the packaging, NOTE: Refer to the trouble shooting steps given on the product sheet before assemble
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They are designed in conjunction with leading sound engineers for maximum noise reduction. They produce high flow rates of air even in deeper aquariums and have adjustable airflow. CE certified TUV/GS tested - safety and reliability assured.
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Tetra Tetratec Air Pump Spare Kit APS300 For Fish Aquarium Tank #L
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Zone D - HS, IV41-49, IV50, IV55&56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE, Isle of Man & Channel Islands. Zone C - AB31-38, AB40-56, IV, KW1-14, PA21-38, PH4-41, PH49-50 & Northern Ireland(BT).
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eBay