Included 2L reservoir is durable and free of plastic taste thanks to our proprietary tri-layer film construction, ConnectCap™ delivers compatibility with common 28mm plastic bottles and Platy bottles, while the hose fitted with a CPC connector allows direct filtering to CPC fitted reservoirs, meets all EPA & NSF guidelines for the removal of 99.9999% of bacteria, min weight:127 g(4.5 oz), total weight:161 g(5.7 oz), packed size: 19 x 8 x 7 cm (7.4 x 3 x 2.8 in), flow rate: 3L per minute