High-output inline UV-C sterilizer for ponds and aquariums. The Classic 57W with 2" socket (slip-union) ports delivers strong water clarity and pathogen reduction in a service-friendly housing—ideal for medium–large ponds, big displays, and reef life-support loops.
Heavy-duty Classic body with 2" socket unions for high-flow plumbing
Single 57W low-pressure UV-C lamp targets algae, bacteria, and protozoa
Clear end cap shows lamp-on status at a glance
Weather-resistant (non-submersible) for indoor or protected outdoor installs
Optional Wiper version available (not recommended for saltwater use)
Sterilizer (freshwater): ~1,800–3,500 gal
Sterilizer (saltwater): ~500–700 gal
Clarifier (freshwater): up to ~8,000 gal (with 50–75% plant coverage)
Target UV-dose flows (EOL):
~3,600 GPH ≈ 30,000 µW·s/cm² (clarifying)
~2,400 GPH ≈ 45,000 µW·s/cm²
~1,800 GPH ≈ 60,000 µW·s/cm²
~1,440 GPH ≈ 75,000 µW·s/cm²
~1,200 GPH ≈ 90,000 µW·s/cm² (tighter pathogen control)
Model: Classic Inline 57 Watt, 2" Socket, Black (No Wiper)
Lamp: (1) × 57W low-pressure UV-C
Electrical: 120V / 60Hz
Connections: 2" socket/slip unions (in/out)
Dimensions (unit): ~23" × 3-3/4" × 6"
Cord Length: ~15 ft
Mounting: Supported inline or wall/stand (use appropriate brackets/anchors)
Warranty: Limited lifetime on housing; 1-year on other components
Classic 57W inline UV body (Black, 2" socket ports)
(1) 57W UV lamp
Inline transformer/power supply
2" union/slip set
Quick start/installation guide
Install after mechanical filtration on a pressure line; observe the flow arrow.
Use unions/valves to tune flow to your target dose and simplify service.
Protect power components from weather; do not submerge the unit.
Replace the lamp every 9–12 months of continuous use to maintain dose.