Ambassador Single Burner Paraffin Greenhouse Heater eBay Active It features a specially designed It features a specially designed soft touch handle for ultimate comfort and grip For use on timber doors hinged on the left or right and requiring turn and emergency release functions Latch bolt withdrawn by knob or sprung lever handle from either side Reversible latch bolt Two way action for knobs or sprung lever handles Pierced to accept bolt through furniture Not suitable for unsprung lever handles Burns continuously for up to 168hrs max on one fill Twin burner wick adjuster for variable heat settings Heat spreader sits on top of the chimney for highly efficient heat distribution Ideal for use in small greenhouses of up to 4m of preventing frost in larger areas Flame extinguishing device 30cm(W0 x 41cm(H) x 30cm(D)