70mm regular mouth mason jar lid with integral injection port & filter patch.
Pressure cooker & autoclave safe
Replaceable injection port (order 13mm size)
Replaceable Filter patch (lasts 5-8 cycles)
Fits regular mouth mason jars
Random colours (orange, white, yellow, blue, red etc)
70mm Autoclavable Lids With Filter & Injection Port
£3.00Price
