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18 years of experience as a source manufacturer of water treatment equipment, supporting ODM/OEM.

20 Inch Filter Housings
20 Inch Filter Housings are premium pre-filtration accessories tailored for medium and large water purification systems. 20 Inch Filter Housings offer larger filter capacity and higher water flow performance, making them ideal for commercial water purifiers, small industrial water systems and centralized building water treatment applications.
Crafted with sturdy food-grade raw materials, these filter housings deliver outstanding pressure resistance and anti-corrosion performance for long-term continuous operation. The upgraded tight-sealing structure eliminates water leakage and secondary contamination, while the intuitive shell design allows easy visual inspection of cartridge condition. 
Featuring stable and practical core parameters, these housings perfectly match standard 20-inch filter cartridges. They adapt to conventional commercial water pressure and normal ambient working temperatures, with universal standard interfaces for quick installation. Boasting reliable pressure tolerance and durable structural performance, they provide steady, high-efficiency pre-filtration protection for various medium and large-scale water purification equipment.
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20 Inch Filter Housings Commercial Reverse Osmosis Water Purifier
This compact, cabinet-style commercial water purifier is engineered for high-volume daily drinking water production, built for reliable continuous operation in commercial environments. Combining four core filtration stages—PP sediment filtration, UDF activated carbon treatment, reverse osmosis (RO), and T33 post-carbon polishing—into a single integrated cabinet unit, it delivers clean, great-tasting purified water ideal for offices, schools, restaurants, cafes, bubble tea shops, hotels, and healthcare facilities.

With its sleek cabinet design, intelligent LED control panel, dual TDS monitors, and dual pressure gauges, the system provides real-time water quality visibility and hassle-free operation—perfect for businesses that demand consistent, high-quality drinking water without the complexity of industrial-scale systems.
Shandong Qingqingquan Environmental Protection Technology Co., Ltd. is a professional water treatment equipment manufacturer integrating R&D, production, and sales, focusing on providing water treatment equipment for residential, commercial, and industrial applications to global customers.
Contact Us
Contact person: wangqiwei
Tel: +86 152 6994 7255
WhatsApp: +86 152 6994 7255
Add: Room 2004, Building A12, Lushan Center, Liuqing Street, Lanshan District, Linyi City, Shandong Province, China
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