Compact, proven UV-C sterilizer for aquariums and small ponds. The Classic 25W with 3/4" barb fittings plumbs straight into flexible tubing to clear green water and reduce pathogen load—perfect for QT systems, nanos, and modest display tanks.
Inline 3/4" barb connections for quick hose-on installs
Single 25W low-pressure UV-C lamp targets algae, bacteria, and protozoa
Clear end cap makes lamp-on status visible at a glance
Weather-resistant (non-submersible) housing; quiet, compact footprint
Optional Wiper variant available (not recommended for saltwater use)
Sterilizer (freshwater): ~500–1,200 gal
Sterilizer (saltwater): ~150 gal
Clarifier (freshwater): up to ~4,000 gal
Target UV-dose flows (EOL):
~1,200 GPH ≈ 30,000 µW·s/cm² (clarifying)
~800 GPH ≈ 45,000 µW·s/cm²
~600 GPH ≈ 60,000 µW·s/cm²
~480 GPH ≈ 75,000 µW·s/cm²
~400 GPH ≈ 90,000 µW·s/cm² (tighter pathogen control)
Model: Classic Inline 25 Watt, 3/4" Barb, Black (No Wiper)
Lamp: (1) × 25W low-pressure UV-C
Electrical: 120V / 60Hz; ~0.48 A
Plumbing: 3/4" hose barbs (use stainless clamps)
Dimensions (unit): ~20" × 3-3/4" × 6"
Cord Length: ~15 ft
Mount: Inline—horizontal or vertical (follow flow arrow)
Warranty: Limited lifetime on housing; 1-year on other components
Classic 25W inline UV body (Black, 3/4" barbs)
(1) 25W UV lamp
Inline transformer/power supply
Hose-barb kit / unions (model dependent)
Quick start/installation guide
Install after mechanical filtration; observe the flow arrow.
Push tubing fully over barbs and secure with clamps; leak-test before use.
Keep the power supply dry/ventilated; do not submerge components.
Replace the lamp every 9–12 months of continuous use to maintain dose.