Marumi DHG 37mm Super Circular Polarising Filter for $21

As part of a Woot Plus Leftovers sale that ends on 1/18/21 at 11:59pm central time [or earlier if sold-out], Woot is offering the new condition Marumi DHG 37mm Super Circular Polarising Filter for $21 with up to three per customer. Only this filter-size is available. IT comes with a 90-day Woot warranty…