Lids for Fermentation Vessel
 Type 1 Lid, H3-1130.00, £2.25
This lid has 4 small holes and 1 large hole: could be used for: air in, air out, sampling, temperature probe and heater. Holes not required may be blocked off with a rubber bung.
Type 2 Lid, H3-1130.05, £2.90
This lid has 5 small holes and 3 large holes: could be used for: air in, air out, sampling, temperature probe, alkali addition and heater, pH and dissolved oxygen. Holes not required may be blocked off with a rubber bung.
Type 3 Lid, H3-1130.10, £1.25
Blank lid.
Type 4 Lid, H3-1130.15, £3.25
Used for the Rusting experiment in Science Basics Disk 1.
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