An 8 oz refill bottle of Jet Set Surface Hardener, designed for use with the original Jet Set sprayer (not included). This surface hardener is ideal for strengthening and sealing stone dental models, ensuring a durable, dust-free finish.

• Refill size: 8 oz bottle

• Sprayer not included

• Strengthens and seals stone model surfaces

• Helps prevent chipping and dusting

• Designed for easy transfer into original sprayer bottle