Starts siphon w/a single stroke. Made out of acrylic and is BPA free. Includes anti-sediment tip. To prolong the life of your Easy Siphon, make sure that every time you assemble the unit, the inner walls of the outside acrylic tube and the o-ring are wet. Maximum temperture for use 140F. This product is not resistant to high levels of alcohol. Do not sanitize with alcohol. Acrylic is safe for long exposure to ABV (alcohol by Volume) up to 15%. It is safe up to 30% ABV for short periods of time (10 minutes or so). Not safe to expose acrylic to more than 30% ABV. Exceeding those limits will damage the Acrylic and could potentially leach into liquid. If you need to exceed this limits, please use a different product, contact your retailer for different options.