HomeChemwell & Analyzer SuppliesChemWell Sample Tubes, 12X50 mm polystyrene, 500/bag (PS 500) “Multi-color Screw Caps for CWC Vials, 100/pkg (CW-cap)” has been added to your cart. View cart Add to WishlistRemove from Wishlist Add to Wishlist ChemWell Sample Tubes, 12X50 mm polystyrene, 500/bag (PS 500)$27.00 PS 500 (500/bag) ChemWell Sample Tubes, 12X50 mm polystyrene, 500/bag (PS 500) quantity Buy now SKU: PS 500 Category: Chemwell & Analyzer Supplies Tag: Laboratory Supplies Product ID: 18361 Related products Add to WishlistRemove from Wishlist Add to Wishlist ChemWell cuvettes 8 Microwell strips 320/pk (CW-T Cuv Bulk) $495.00 Buy now Add to WishlistRemove from Wishlist Add to Wishlist Methyl acrylate cuvettes, 280&340nm 2-4mL (5Trays, 100ea) 500. (Cuvette 2mL) $120.00 Buy now Add to WishlistRemove from Wishlist Add to Wishlist EnoLyzer Tubes 12X75mm glass 250/pkg (EnoTube 12X75) $19.00 Buy now