Sparkler Envelopes are required for the mechanical stage of the Oil-Max Oil Filtration System. Envelopes should be changed out after every use. Replacement of the envelope is quick and easy.
Small-11″x11″ (SOF 50 Model)
Medium-14″x14″ (SOF 90/SOF 150 Models)
Large-17″x17″ (SOF 250 Model)
100 per box
