Water filter housing for 4021 RO membrane Material: 304 stainless steel for durable, corrosionresistant performance in water filtration environments. Size: Approximately 60 cm in total length, designed to accommodate standard membrane configurations in this class. Suitable model: Specifically compatible with 4021 RO membranes. Function and benefits: Provides a sturdy enclosure to contain and support the RO membrane within a filtration system, helping to maintain filtration performance and protect the membrane during operation. Compatibility and performance: Built to work with the 4021 RO membrane, offering reliable structural support and longterm service life in typical water treatment applications. Use scenarios: Residential undersink reverse osmosis systems that utilize a 4021 membrane. Small commercial beverage stations or office water purification setups requiring a robust stainless steel housing. Laboratory or process water lines where a durable 60 cm housing for a 4021 membrane is advantageous.