----Filter Model---Bell 206 ----- 1 2Bell 412 ----- 3 3Eurocopter AS350 Ecureuil ----- 3 3Eurocopter EC120 ----- 1 1Robinson R66 ----- 1 2SerialBuiltModel 4R-ART 2006 ec130b4 4R-AYS 2006 EC120B 4R-CMA 1978 206l-1 4R-HTA 412 4R-HTB 412 4R-MAL r66 4R-MSS as350b3 4R-MVS as350b3 4R-PUW 1978 206l-1 4R-SAK r66 4R-SGA 2006 412ep @ (optional) Send