of 8 most common RX (Generic) tubes incl. gaskets.  

Content:
1 x 031961 tubes 4,0x2,50 Old
1 x 031963 tubes 4,0x2,50 Old
1 x 031964 tubes 4,0x2,50 New
1 x 031962 tubes 4,0x3,00 Old
1 x 031965 tubes 4,40x3,00 Old
1 x 031966 tubes 4,40x3,00 New
1 x 031968 tubes 4,00x3,00
1 x 031967 tubes 5,00x3,00