Complete Package: Includes a 400 RO Membrane, 12Inch x 3.0Inch Membrane Housing, Wrench, Quick-Connect Fittings, and a Check Valve. Designed for easy installation and maintenance, ensuring a hassle-free setup. High-Performance Filtration: This RO membrane can produce up to 400 gallons of purified water daily at 100 psi, featuring a dry RO membrane sealed for optimal shelf life and storage convenience. Advanced Purification: Features a 0.0001 layer that efficiently removes up to 99% of contaminants including heavy metals, chlorine, fluoride, and more, ensuring safe and clean drinking water. Quality and Safety: Constructed from 100% food-grade material and meeting NSF/ANSI 58 standards, our RO membrane boasts a stable salt rejection rate of up to 97%, with all materials being lead-free and -free. and Maintenance Tips: With a lifespan of 2-3 years depending on water quality, this membrane works best at 100 psi. For Maple Syrup systems, maintain at 104℉ to prevent clogging and avoid exceeding 113℉ to protect the membrane. Note:due to different production batches, printing is different, which does not affect the use. Colour:As Shown Material:Plastic Package Contents: 1 * 400 RO membrane 1 * enclosure 1 * wrench 2 * connector 1 * check valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.