Microtitre plates. 96 well plate, U bottom. Sterility:IRR. Inner Case:1 Sterilin rigid, clear multiwell plates are manufactured out of premium grade virgin polystyrene and offer excellent optical clarity. Black and White rigid, flat bottom, microtitres are also available for fluorescence and bioluminescence work. U wells hold 415ul, V wells hold 334ul and the flat based product holds 406ul in volume. The separately available lid is furnished with condensation rings. All Sterilin multiwells are now CE marked in accordance with the in-vitro diagnostic directive (98/79/EC). A specially designed 25ul dropping pipette made of cellulose acetate and polyethylene, in sterile or non-sterile form is also available.