he Celestron Origin Spare Filter Drawer is an exact replacement for the filter drawer included with your Origin telescope. Whether you've misplaced the original or simply want to speed up your imaging sessions, having a second drawer on hand makes a real difference. Load different filters into separate drawers before you head out, then swap the entire assembly in seconds when you're ready to change targets or sky conditions. No unthreading in the dark, no risk of cross-threading or dropping a filter mid-session. Compatible with 1.25" and 2" filters, including narrowband, broadband, and specialty options. Fits the Celestron Origin Intelligent Home Observatory and Origin Mark II. A small accessory that keeps your imaging session running smoothly. Compatible Filter Sizes: 31.75mm and 50.8mm Scope Compatibility: Celestron Origin Intelligent Home Observatory and Celestron Origin Mark II Intelligent Home Observatory Size: 61mm x 63.5mm x 12.7mm Weight: 28g