K&F Concept 49mm Variable ND3-ND1000 lens Filter(1.5-10 Stops) D Series Neutral Density 24 Multi-Layer Coatings - Walmart.com
Moment Variable ND Filters (600-046) - Moment
49mm ND2-400 (9 Stops) Variable ND Filter Neutral Density Filter for Camera Lens - KENTFAITH
Amazon.com : JJC 49mm Variable Neutral Density Filter ND2 to ND400, Slim Fader ND Filter for Canon EOS M6, M6 Mark II, M5, M50, M50 Mark II, M200 with Canon EF-M 15-45mm