S- denotes a slit instead of a hole, which lends itself to tissue culture planting.
Refill for various trays (see Fits: below), ideal for use with automatic transplanting machines. Even porosity per cell, means plant number 1 will be the same as plant 1000.
Preforma plugs are versatile and space saving. Used for deflasking with tissue culture, harder to propagate Australian Natives and have a consistent high percentage strike rate with general lines.
78 Cell Foam Tray J50001750S
105 Cell Tray CT105S00
78 Cell Tray J69707801
72 Cell Tray CT72S00
Semi Rooted Cuttings
Other sizes of Preforma Plugs and matching trays with suitable refills also available.