FILTER KIT FOR POLAROID ORIGINALS SX70 Model 2 ,Sonar,Alpha 1,SLR690 680 - AliExpress
Amazon.com : Polaroid Optics 77mm 3-Piece Filter Kit Set [UV,CPL,FLD,& Neutral Density] includes Nylon Carry Case – Compatible w/ All Popular Camera Lens Models : Electronics
Amazon.com : Polaroid Go Lens Filter Set - Set of three color lens filters for Polaroid Go Camera (6192) : Electronics