V7005. volume 20 mL, vial size 28 mm × 61 mm , with cap, Cap: 22mm urea with Poly-Seal cone liner. (caps packed separately), pkg of 500 ea. Pricing. V8255. volume 20 mL, vial size 28 mm × 61 mm , with cap, Cap: 22mm urea with metal foil liner. (caps packed separately), pkg of 500 ea.