2-in-1 Composite Filtration: This water filter cartridge features a dual-layer design with a 0.2 micron pleated polyester outer layer and 5 micron activated carbon inner layer, delivering the same filtration performance as a 2-stage or 3-stage system. It effectively removes sand, rust, chlorine, VOCs, certain heavy metals, odors, and other chemical contaminants, ensuring safe and healthy water. Enjoy premium water quality even in limited spaces, providing peace of mind during your travels. Durable High-Quality Filter Housing: This 10"x4.5" blue filter housing is made of high-flow reinforced polypropylene, offering excellent resistance to corrosion and water pressure. Built for durability, it is ideal for outdoor use. Safe and Convenient Design: Crafted from food-grade, lead-free, and BPA-free materials, this filter housing is non-toxic and odorless, ensuring a safe and healthy water filtration experience. The built-in detachable handle enhances portability, making it easy to carry and ideal for a range of outdoor applications such as RV parks, marinas, motorhomes, and car washes. Easy Installation & Replacement: No professional tools required for installation. It can be attached to 3/4" standard garden hose fittings or water hose to provide cleaner fresher water. Simply replace the cartridge to maintain overall water filtration, helping to reduce maintenance costs. High Flow Rate Design: Optimized water flow ensures stable pressure and fast water output without impacting daily water usage, providing uninterrupted water supply for RV living. Product List: 10"x4.5" Filter housing with handle, 3/4" NPT to 3/4" GHT adapter, Plumbers PTFE tape, wrench, user manual. O-Ring Please search on Amazon: B0CJMLLKBT MewMore HHB10 RV Water Filter System with 0.2 Micron Carbon Block Water Filters, Inline Water Filter with Brass Threads