Item available in 12 variants: Select variant Futura filter with metal container 5 µm, BG 4, G 3/4, VA Viewing tube Futura filter with metal container 5 µm, BG 1, G 1/4, HA Viewing tube Futura filter with metal container 5 µm, BG 2, G 1/2, VA Viewing tube Futura filter with metal container 5 µm, BG 4, G 1, VA Viewing tube Futura filter with metal container 5 µm, BG 1, G 3/8, HA Viewing tube Futura filter with metal container 5 µm, BG 1, G 3/8, VA Viewing tube Futura filter with metal container Sight tube 5 µm BG 2 G 3/8 Futura filter with metal container 5 µm, BG 2, G 3/8, VA Viewing tube Futura filter with metal container 5 µm, BG 4, G 3/4, HA Viewing tube Futura filter with metal container 5 µm, BG 4, G 1, HA Viewing tube Futura filter with metal container 5 µm, BG 1, G 1/4, VA Viewing tube Futura filter with metal container Sight tube 5 µm BG 2 G 1/2
