RAS Factory-Direct Oxygen Diffuser Disc
Aquarium Fish-Tank & Aquaculture Equipment | Fish-Farming Pond Air Aerators

High-density, flat-profile diffuser disc engineered for RAS hatcheries, aquariums and outdoor ponds. Laser-drilled 0.1-0.3 mm ports shear air, oxygen or ozone into 0.8-1.2 mm micro-bubbles, doubling DO transfer while cutting blower wattage 25 %.

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Key features
? Factory-direct pricing – bulk MOQ 50 pcs, OEM colour & logo free; 24-hr lead time.
? Nano-bubble ceramic plate – 0.1 mm pore gradient; O? transfer rate 32 % at 1 m depth, +4 % per extra 0.5 m; bubble band prevents coalescence .
? Food-grade plastic frame – PP body + TPE foot; salt-water, ozone and UV-proof; only 90 g, safe for glass aquariums .
? Low head-loss – ≤ 1.5 kPa @ 1–8 L min?1; works with 2 W nano pumps up to 200 W linear blowers.
? Snap-fit mount – ? 100, 150, 200 mm; ?” BSPT or 8 mm barb inlet; rinse-clean in seconds, no clogs .
? Certified – CE, RoHS; non-toxic, no leaching, ideal for organic or bio-floc farms.

Drop-in upgrade for stone or tube diffusers—double your stocking density, halve aeration noise, and keep every crop inside the safe DO window.

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