Why You’ll Love It Through layers of water purification, the hygger 137 HOB filter’s biochemical sponge and high-density microporous cotton filter remove large and small impurities in tanks, purify and cultivate beneficial bacteria to break down harmful substances. It’s activated carbon removes odor from the water. Key Features Professional-Grade Filtration Technology This HG137 bilateral HOB filter features dual cartridges for comprehensive 6-stage filtration: ① Mechanical filtration (biochemical sponge traps large debris) ② Fine filtration (micro-mesh cotton catches tiny particles) ③ Chemical filtration (activated carbon removes odors/discoloration) ④ Biological filtration (cultivates beneficial bacteria) ⑤ Water circulation (improves tank oxygenation) ⑥ Surface skimming (removes protein film) Dual Function Benefits – Water Purification – Effectively removes ammonia, nitrates, and impurities – Oxygen Enrichment – Waterfall design increases dissolved oxygen levels – Current Creation – Promotes healthy water movement for fish vitality Whisper-Quiet Operation – Advanced motor design operates at <30 dB – Adjustable flow rate (132GPH-264GPH models available) – Smooth waterfall outlet creates peaceful water sounds – Energy efficient (5W-10W consumption) Universal Compatibility – Fits glass/acrylic tanks up to 1.1″ thick – Works for freshwater and saltwater setups – Includes all necessary installation hardware – Easy-to-replace filter media system Usage Tips 1. Always prime the filter by filling it with water before startup 2. Ensure the water level covers the intake tube completely 3. Use a rubber strut to maintain the proper vertical position 4. Replace cartridges monthly, clean intake sponge bi-weekly 5. Customize the flow rate to match your tank’s needs Specification 5W Model (132 GPH) Ideal for small tanks: 10–30 gallons Delivers a gentle flow rate of 132 gallons per hour Compact size: 6.5″ L × 5.2″ W × 7.3″ H Comes with 4 filter cartridges (includes 2 spares) Offers 2 tube size options: 7.5″ and 9.8″ 10W Model (264 GPH) Suitable for medium tanks: 30–70 gallons Provides a stronger flow: 264 gallons per hour Larger size: 13.6″ L × 5.9″ W × 7.3″ H Includes 8 filter cartridges (includes 4 spares) Offers 4 tube size options: from 9.2″ to 17.7″ Package: For 5W 132GPH Model: • Filter unit ×1 • Filter cartridges ×4 (2 installed 2 spare) • Extension tube ×1 For 10W 264GPH Model: • Filter unit ×1 • Filter cartridges ×8 (4 installed 4 spare) • Extension tubes ×2 People Also Buy hygger Aquarium Wave Maker 5/12W mimics river flow for 20-130 Gal10% OFF $22.99 – $29.99Price range: $22.99 through $29.99 Rated 5.00 out of 5 hygger Auto On Off LED Aquarium Light 14-42W programmable for 12"-54" tanks10% OFF $29.99 – $69.99Price range: $29.99 through $69.99 Rated 4.92 out of 5 Sold out hygger Magnetic Fish Tank Cleaner Magnetic brush for glass tanks 3-100 Gal10% OFF $29.99 – $35.99Price range: $29.99 through $35.99 Rated 5.00 out of 5 Sold out hygger Smart Aquarium Heater 500/800W PID Drive tech for 60-180 Gal10% OFF $59.99 – $67.99Price range: $59.99 through $67.99 Rated 5.00 out of 5
