Complete Package: Includes a 400 GPD 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 TFC RO membrane sealed for optimal shelf life and storage convenience. Advanced Purification: Features a 0.0001 micron TFC 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 TFC 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 BPA-free. Longevity 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 sap 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 GPD 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.