Air filter body. Models: BG 56 BG 56 C-E BG 56 C-E Z BG 56-Z BG 66 C-E Z BG 66-Z BG 86 BG 86 C-E BG 86 C-E Z BG 86-Z BR 200 BR 200-Z SH 56 SH 56 C-E SH 56 C-E D SH 56 C-E Z SH 56-D SH 86 SH 86 C-E SH 86 C-E Z SR 200 SR 200-Z