Included Components System×1 ·hose×2 ·3/8″–1/2″ Convertor set×1 ·screws×2 ·Teflon tape×1. under Sink Water Filter System, NSF/ANSI 42 & 372 Certified, Easy Twist-And-Lock Design, 11,000 Gallons, 1 Year Service Life, White.