APEC Top Tier 5-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System (ESSENCE ROES-50) Supreme quality - designed, and assembled in USA to guarantee water safety & your health. Only technology to remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants Premium long-lasting filters used to treat tap water, well water. Provide unlimited clean, refreshing crisp tasting water superior to bottled water America's No.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water. System comes with 100% lead-free designer faucet, plus FDA Certified JG Food grade tubing and parts to provide safe, contamination-free pure water. 2 year extended manufacturer warranty with registration. System comes with all parts and industry's best instructions and videos for an easy DIY experience. High quality leak-free quick connect fittings require no extra lock clips to seal leak, and does not rely on water leak detector to protect your home like other brands.Pipe Size:1/4 inches