Compact, fast-flowing and compatible with a wide variety of water bottles and reservoirs, the QuickDraw is the best water filter for your personalized filtration system Thread design on the dirty side and the ConnectCap provide seamless compatibility with a wide variety of 28mm bottles and reservoirs including smartwater bottles, Cnoc bags, standard soda bottles, and more Super fast 3 liters per minute flow rate when squeezed and 1.75 liters per minute when used in a gravity water filter setup Easy to clean with no tools required, just a simple shake-to-clean or backflush to restore flow rates and remove debris Each filter is individually tested and meets the stringent NSF & EPA P231 protocol, ensuring the removal of 99.9999% of bacteria and 99.9% of protozoa Attached clean side DrinkCap is optimized for direct drinking or pouring and creates a secure seal when closed. The soft-touch filter housing is grippy even when wet and won’t pick up dirt from the ground Ultralight weighing just 69 grams (2.4 ounces), measures 1.8 x 5 inches (5 x 13 cm) and includes dirty side cap, drink cap, and ConnectCap. Made in the USA