BSA & Triumph air filter. OEM part number 60-2601.
BSA / TRIUMPH OFFSET AIR FILTER FOR 900 AMAL CONCENTRIC
BSA T150 Triumph T160 Air Filter 60-2567 UK Made
Cone Spin-On Motorcycle Air filter 389 Carburettor (44mm) Classic BSA, Triumph
60-3072 TRIUMPH T120 TR6 BSA A65 A70 1971-73 AIR FILTER ELEMENTS X 2 D3072
Spin-On Shorty 'Pod' Motorcycle Air filter 900 Carburettor (46mm) BSA, Triumph
Spin-On Motorcycle Air filter 626 600 series (42mm) Classic BSA, Triumph