NEEWER Corresponding to Neewer 37MM clip-on ND 2-400 mobile phone and camera lens filter kit adjustable ND filter phone clip with iPhone 7 Plus 7 6 6 6 Plus 6S Plus Samsung
Smartphone ND 2-400 Adjustable Neutral Density Filter Lens
37mm Filter Kit for DJI Phantom 3 Series Drones — Beach Camera
Neewer 37mm Clip-on ND 2-400 Cellphone Camera Lens Filter Kit: Adjustable Neutral Density Filter with Phone Clip for Smartphone - AliExpress
Amazon.com : 37mm Variable ND Filter, GREEN.L Ultra Slim ND2 to ND400 (1-9 Stops) Adjustable Neutral Density Filter for Camera Lens, with Filter Pouch : Electronics
Hoya 37mm Neutral Density Filter ND8 – Kamerastore
37mm ND2-400 (9 Stops) Variable ND Filter Neutral Density Filter for Camera Lens - KENTFAITH
K&F Concept 37mm Lens Filter Kit ND1000 Neutral Density and CPL Circular Polarizing Filters - KENTFAITH