Stealth-RO150/300 RO Membrane reduces 89%+ of PPM of total dissolved solids. There are two indications as to when to change your membranes. 1. Test the RO and source/inlet water to see what percentage of the inlet water’s PPM the 150 ™ is filtering

Use the Hydrologic reverse osmosis water filter 3/8" ball valve inline shut-off to customize your indoor hydroponic garden water purification system.

Use the Hydrologic reverse osmosis water filter 1/4" ball valve inline shutoff to customize your indoor hydroponic garden water purification system.

Stealth-RO300™ with upgraded KDF 85 filter Removes 98%+ of all contaminants in your tap water including chloramines! Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized for

Ultraviolet (UV) sterilizer for after-stealthRO water. Assures 100% of bacteria and viruses are sterilized. Its UV treatment kills all living bacteria and microbes and ensures safe water for your family and plants. 0.5 GPM Comes with ballast and clips

Stealth-RO150 Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized for gardening and hydroponics. The #1 selling filter in

Stealth-RO300 Reverse Osmosis Filter - 300 gpd Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of both 1:1 and 2:1 waste to product water ratios. Customized for gardening and hydr

Hydrologic's reverse osmosis filter tubing in black. Sold in lengths of 50 feet with an outer dimension of 3/8". Extra tubing can be useful for customizing your indoor hydroponic water filtration system.