Price is for one bottle. New, fresh inventory. Many scents to choose from! Description: Thick, dense smoke output, yet it dissipates quickly, leaving little or no “train room fog” hanging in the air. Comes in 2 oz. bottles with pin-point end glass droppers for accurate filling. All smoke fluids are scented just right, not too heavy, not too light. Scent and smoke may have a short break-in period and will become more pronounced as previously used smoke fluid runs out. Depending on the scent, it could take anywhere from 4-8 fillings. Features: Compatible with fluid-based smoke units Compatible with all scales: G, S, O, HO, N (as long as it has a fluid-based smoke unit) 1 scent per bottle (choose your scent from the drop-down menu above) 2 fl. oz. bottle “Pin-point” end glass dropper Smoke is Non-Toxic Petroleum-based formula Check out our eBay store for a large selection of O scale and O gauge trains. Don’t forget to add us to your favorite sellers, new items are listed every week. Thank you for your business!