Amazon.com : 3 Sets of Hunter PGP Seal Replacement Kit for Rotors, Hunter 253400, 3 Riser Seals (181500) and 3 Spring Seats (189900), Compatible with All PGP and PGP Ultra Rotors with
Hunter PGP Ultra Rotor Head w/Adjustment Key & Nozzle Rack x 5
Hunter PGP Ultra Rotor Head w/Adjustment Key & Nozzle Rack x 5
Amazon.com : SPW Hunter PGP-04 Ultra Rotors 20 Pack Includes Nozzle Racks and Adjustment Tool Full Case of 20 : Patio, Lawn & Garden