Smoke Pencil Fluid
This smoke pencil replacement fluid comes as an 89ml bottle which is enough fluid to do up to 15 hours of consistent heavy duty draught proofing work.
The fluid is made from Propylene Glycol, Glycerin and distilled water which produces a fine steam which looks like smoke.
This is completely non-toxic and offers excellent consistency for effective draught proofing.
When used as part of the Smoke Pencil Kit the smoke produced by the pencil does not produce any flames and leaves no marks on walls or others areas you are testing.
It produces no residue or odour other than a very slight sweet aroma