Vetafarm A.I.L. RTU 500ml Published March 2, 2017 at 600 × 600 in Vetafarm Avian Insect Liquidator (A.I.L.) RTU 500ml Vetafarm Avian Insect Liquidator (A.I.L.) 500ml Ready To Use (RTU). A ready to use Mite and Lice Spray + Residual Insect Growth. Regulator Controls mites and lice on ornamental birds and their environment. Protects for up to 6 weeks.