Giottos AA1900 Rocket Air Blaster Large for $7.75. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for your reference. This blaster removes dust and debris from cameras, lenses and filters with a powerful blast of air. It includes a one-way valve to prevent Blaster from breathing in dust and spreading it back to equipment.