The AVENTIVS Series 651 is an easy-to-install line of pneumatic filters, regulators and oilers (FRL) that delivers the industry's highest flow rate and widest temperature range. The ones in the connection sizes 1/8 in. and 1/4 in. Available filters, regulators and lubricators are ideal for automotive and tire, food and beverage applications, as well as process applications that require highly reliable operation and rugged, modern-looking equipment.