Penclips, pk10 Back Catalog number: C-CL010 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended MBT71_1L Multi-layer gas sampling bags, PP valve (4.76mm), 1L Price on request U-T6SUL-2S Sulphur/labile cold trap, Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request