PW3 whistle 20/75 m, ø300 mm + Electric valve
Approved whistle complete with chromed or white horn Ø300 mm. Electric valve and mounting accessories, for compressed air operation 87/174 psi. Meets COLREG 1972 IMO class III regulations. Approvals: RINA, LLOYD'S REGISTER MCA, BUREAU VERITAS, BSH and NMMA.