Vacuum Manifold and Accessories Optional spacer block available for use with 1 mL receiver plates. Adapter collar holds filter plates tightly to receiver plates for centrifugation. Comes complete with the necessary Oring and gasket. The control block includes the vacuum pressure gauge, vacuum metering valve, vacuum release valve, and 1⁄4 in. hose barb for vacuum line attachment. Vacuum manifold unit includes a Delrins spacer block designed to accommodate standard 350 μL receiver plates. The spacer block has been optimized to reduce the space between the receiver plate and the filter plate during vacuum filtration.
