• Reusable First Contact Polymer spray bottle gives the convenience of a compressed air pump without the required equipment.
• Easy-to-use pump style cap features a 2-step operation: simply pump the container, then and press the valve on the pressurized sprayer.
• Best for use on optics larger than 8" (20 cm).
• Easy to clean with First Contact Thinner, just load it in the chamber and spray upside down, as seen here.