Pondpro AirLab EV100 / EV120 High-Performance Replacement Diaphragm

Restore your commercial-grade aeration system to peak operating efficiency with the genuine Pondpro AirLab EV100 / EV120 Replacement Diaphragm. Large-scale linear air pumps experience continuous mechanical fatigue during round-the-clock operations, leading to natural rubber degradation over time. This wear manifests as reduced surface agitation, a significant drop in backpressure, or a noticeable increase in running noise.

Engineered from an ultra-durable, highly flexible synthetic elastomer, this OEM replacement component re-establishes the airtight integrity of your pump's internal compression chamber. It features a high-tolerance, molded design that perfectly isolates the twin-wall pneumatic system, ensuring high-volume oxygen delivery remains smooth and steady. Regularly updating your diaphragms eliminates costly full-housing replacements and ensures vital oxygen levels remain optimized across large outdoor ponds, extensive fish-breeding rooms, and commercial aquaculture systems.

Specifications & Features

Specifications

• Brand Compatibility: Pondpro AirLab Series
• Model Compatibility: EV100 (105 L/min) & EV120 (120 L/min) High-Output Air Pumps
• Diameter: Larger high-capacity profile customized for 65W and 90W commercial motors
• Material Composition: Heat-stabilized, friction-resistant industrial synthetic rubber
• Alignment Tabs: 2 integrated rounded indexing lugs for seamless seating and uniform tension distribution
• Maintenance Interval: Recommended replacement every 12 to 18 months for non-stop operational setups

Key Features

• Genuine Factory Calibration: Molded to original equipment manufacturer (OEM) dimensions to ensure an exact fit that preserves the high backpressure capabilities of your EV100 or EV120 pump.
• Industrial-Grade Elastomer: Built to withstand constant high-speed flexing and heat dissipation without stretching, tearing, or premature structural hardening.
• Restores Maximum Dissolved Oxygen: Re-establishes a flawless pneumatic seal within the compression valve block, returning your output to its full factory capacity (up to 120 L/min).
• Acoustic Harmony: Eliminates the harsh internal motor clatter and rattling caused by thinned, worn, or split rubber walls, restoring the quiet running profile of the pump's twin-wall casing.
• Dual Indexing Alignment Lugs: Features integrated structural lugs that allow fast, uncomplicated DIY orientation during housing re-assembly, reducing installation downtime.