Hollow Cone Spray Black Tips; Produces smaller droplets for thorough coverage with contact pesticides and foliar applications. Maximum spray pressure is 300 PSI. The typical assembly with a disc core is: TeeJet Nozzle Body; 4514-NY Slotted Strainer; Core; Disc; CP20230 TeeJet Cap. 20-300 PSI Range of operation. 0.064-0.18GPM per disc-core. Hardened Stainless Steel Construction.