V-ROUNDTUBEV ROUNDTUBE, 5 and 14 ml, ideal for andrological application, examination, and diagnosis of infertility. Applicable for media aliquotation, preincubation of media and pH measurements. REF V RTU 5, 5 mL, individually soft blister packed,500 pcs box REF V RTU 14, 14 mL, individually soft blister packed, 500 pcs box Features Round Bottom Dual position snap cap for individual set of airflow Clear, untreated virgin polystyrene with excellent optical