Parker Hannifin Corp. has introduced the PF Series non-spill thermoplastic chemical transfer couplings. They eliminate fluid loss upon disconnection for minimal environmental contamination. The couplings can be used with concentrated or diluted industrial chemicals, fertilizers, herbicides, insecticides, fungicides or pesticides when transferring from bulk tanks, returnable containers, applicators, and more. More information: telephone 763-544-7781; www.parker.com/thermoplasticcouplings/nonspill.