CURRENT CULTURE ET40 AIR PUMP – Quiet, Oil-Free Aeration for Hydroponics & Wastewater Systems
The Current Culture ET40 Air Pump delivers clean, oil-free air to hydroponic reservoirs and wastewater systems with exceptional quietness—operating at just 35dB even under continuous use. Engineered for reliability and ease of maintenance, the ET40 features a weatherproof, robust housing and is backed by a two-year warranty. Its linear diaphragm design ensures consistent oxygenation, making it ideal for nutrient circulation, root-zone health, and aerobic microbial activity.
Key Features
- Oil-free air source for clean, contaminant-free oxygenation
- Ultra-quiet operation at approximately 35dB
- Weatherproof and robust construction for indoor/outdoor use
- Easy to service with affordable replacement kits
- Two-year manufacturer warranty
- Ideal for hydroponics, aquaponics, and wastewater aeration
Performance Specs
- Linear diaphragm pump design
- Air output: ~35 liters per minute
- Recommended for systems up to 750 gallons
- Compatible with standard airline fittings
| Metric | Value |
|---|---|
| SKU | SG-S0840 |
| Brand | Current Culture |
| Product Name | ET40 Air Pump |
| Noise Level | ~35dB |
| Air Output | ~35 L/min |
| Application | Hydroponics, Wastewater, Aquaponics |









