Purified water grows healthier, more beautiful and longer-lasting plants than ordinary tap water. Your plants will flourish with our "better-than-rain" quality water. SpectraPure manufactures a wide range of the highest quality water purification equipment available. FEATURES: RO at an economical price High efficiency 1-micron sediment filter Durable no rust mounting bracket Garden hose adapter and filter wrench Dimensions 15" x 7" x 16" BENEFITS OF REVERSE OSMOSIS WATER: Maximizes nutrient uptake for faster growth and greater yields Eliminates harmful mineral build-up which damages delicate root hairs. Stabilizes pH of re-circulating rockwool, NFT and Ebb & Flow hydroponic systems Ultra-high rejection TFC membrane eliminates up to 99% of harmful minerals, fluorides, chlorides, alkalinity, heavy metals, agricultural and industrial pollutants, chloramine, PCB's, MTBE, and arsenic.