4-Inch Duct Collar for Models 636 and 636AL

Features

• RIGOROUSLY TESTED: The Delta® Clarifi™ RO System is the most certified tankless RO system in its class. (Based on leading competitors NSF certifications ASSE 1086 and NSF 42, 53, 58, 372, 401.)
• CERTIFIED CLEANER: Proven to reduce more than 90 contaminants, including chlorine, chloramine, microplastics, PFAS, lead, arsenic, heavy metals, chemicals, nitrates, pharmaceuticals and more.
• SUPERIOR FILTRATION: Rigorously tested by IAPMO R&T lab and certified by IAPMO to standards, meeting five NSF standards including NSF-58, NSF-42, NSF-53, NSF-401 and NSF-372 as well as ASSE 1086.
• FILTER CHANGE ALERTS: Indicator lights and audible alerts help you track filter life and know when a filter needs to be changed.
• EASY, DIY MAINTENANCE: Carbon and RO filters and optional remineralizer cartridge have a two-year lifespan so you can replace them at the same time quickly and easily - it takes less than a minute to replace each.
• BEST-IN-CLASS TECH: Unique system design is certified to tolerate hard water without compromising efficiency.
• LESS PLASTIC WASTE: Provides a more sustainable alternative to single-use, plastic water bottles, saving up to 10,000 bottles per 2-year filter life.
• FILTERED WATER MADE EASY: Pairs with a Delta® Reverse Osmosis Beverage Faucet, available in a variety of styles and finishes, or can be plumbed to fridge water dispenser.
• COMPACT DESIGN: Saves over 60% of under-sink space compared to tanked systems with a low-profile design about the same size as a desktop computer tower.
• ENHANCED TASTE AND PH: The optional Clarifi™ remineralizer cartridge adds those good-for-you minerals, like the electrolytes, calcium and magnesium, back into your filtered drinking water.
• WASTE LESS WATER: Clarifi™ system is 87.5% more efficient with a 2:1 filtered-to-waste ratio compared to tanked average 1:4.
• FRESHLY FILTERED: Tankless, continuous flow for freshly filtered water at the ready as well as a self-flushing feature that automatically cycles water to prevent stagnation.
• MULTI-STAGE FILTRATION: System provides 6 filtration stages using 3 included cartridges, the Pre-Filter, Reverse Osmosis Filter and Carbon Filter. Optional 7th stage uses a Clarifi™ Remineralizer Cartridge to replace taste-enhancing minerals removed during the normal RO process
• VIDEO TUTORIALS: Find more information in the included user guide, M&I, and Delta Faucet’s YouTube.
• LIVE CUSTOMER SUPPORT: Backed by Delta Faucet's warranty and highly-trained, live customer support