CHANGHONG 25 Micron Pre-Filter Bionic Fish Gill Disc Antibacterial Automatic Backwash Pressure Gauge Whole House High Flow Water Purifier Top 10 Water Purifier

Advanced swirl separation filtration technology generating high-speed vortex flow to separate large and fine particles effectively

Biomimetic fish gill design enabling "breathing" filtration with dual-direction cleaning: inward interception and outward vortex backwash

37.5% improvement in filtration precision compared to traditional 40μm filters

Two times better anti-fouling and flushing recovery performance than steel mesh pre-filters

Multi-stage gradient filtration with fine microchannels (down to 25μm) for enhanced impurity removal including sand, rust, insect eggs, and carbon powder

Real tested throughput up to 15T/h without pressure loss, suitable for whole-house water supply including villas and commercial use

1 minute filtration volume equivalent to 15 barrels of 17L bottled water

Equipped with precision pressure gauge for real-time water pressure monitoring

Adjustable pressure control to prevent pipe damage or low water output due to abnormal pressure

Passed 20 million water hammer impact tests at 5.5 MPa pressure

High temperature resistance up to 135°C and freeze resistance down to -30°C

Explosion-proof and anti-freeze design for long-term reliable operation

Certified by CNAS and other national testing authorities

Approved sanitary drinking water certification (Approval No. [2023]-12-S0193)

Includes multiple adapters for 1/2 inch and 3/4 inch pipes, compatible with 20mm, 25mm, and 32mm water pipes

Optional on-site installation service and video guidance available

Suitable for PPR pipe systems with recommended water pressure above 0.2 MPa

Intelligent flushing time display with automatic reminders for maintenance

One-button automatic backwash and sludge discharge without disassembling filter cartridge

Food-grade antibacterial PPR material and H62 brass to reduce heavy metal contamination and ensure water safety

Lifetime price protection, 180-day replacement warranty, free shipping on returns, and PICC insurance coverage

PLUS member benefits including price difference refund and extended service guarantees

Tested and certified by China Household Electrical Appliances Research Institute (Report No. EWCjs-21-557-G2, GBT20117601124)

Product water batch approval, filtration precision, retention rate, lead isolation, and backwash cleanliness reports available

Actual installation and pipe modification may require additional materials and labor costs based on local standards and user consent.