ND filter for Polaroid SX-70, compatible with 600 high-speed film. New, unused. The plastic bag is dirty, but it's unopened. For those looking for one, here it is. Polaroid SX-70 - Filter Type: ND Filter - Compatible Film: 600 High-Speed Film Please note that cancellations and returns are not accepted after purchase. Please check the images and make your purchase. Thank you.