----Filter Model---Bell 206 ----- 1 1Bell 212 ----- 1 1Bell 407 ----- 2 2Mil Mi-8/17 Hip (2nd Gen) ----- 1 1Robinson R22 ----- 1 1SerialBuiltModelYS-10001N 407 YS-1003P 1973 212 YS-1005P 1994 206l-4 YS-1006P mi-8mtv-1 YS-1011P 1997 407 YS-1025P 1999 beta II @ (optional) Send