8.75" (222mm) Helios Solar Glass Filter. Fits Optical Tube Diameter 8 3/8" (213mm) to 8 5/8" (219mm)

• All Seymour Solar products meet the ISO 12312-2 requirements. Our Helios Solar Glass and Helios Film block out 99.999% of all light, including harmful IR & UV rays.
• Packaged in a foam lined storage box along with instructions for use and care.
• Sturdy aluminum cell with Helios Solar Glass.
• Secured with 3 nylon thumb screws.
• We have experience in manufacturing safe solar filters for over a decade.

• Item Reference: B06X6B32DQ 0642645705263 642645705263