Jiffy 30mm Preforma Plug & Tray with Slit

S- denotes a slit instead of a hole, which lends itself to tissue culture planting.

Ideal for use with automatic transplanting machines. Even porosity per sell, means plant no 1 will be the same as plant 1000.

Preforma plugs are versatile and space saving. There are 2 plug sizes 20mm and 30mm to fit tray sizes available: 78 Plugs per tray & 240 plugs per tray. Including the NEW J69707801 78 cell - 30mm VAC formed (black) Tray. Used for de-flasking with tissue culture, harder to propagate Australian Natives and have a consistent high percentage strike rate with general lines. Both tray sizes have suitable refills available.