Sleek enough to fit on any counter top. As medicine cabinets were installed directly into walls, manufacturers added a tiny slot in the back through which shavers could dispose of their used blades. Pin on Earth Friendly Hey, are you looking for razor blade disposal slot the top games? Razor blade disposal slot . The website airfield models suggests wrapping the blades in masking tape to ensure extra safety. To recycle your blades and disposal tin. Top 10 best safety razor blade disposal in 2021 comparison table. You see, razor blades have dedicated compartments, and by that, we mean the covers or slotted compartment on the bottom of the plastic dispenser, which houses your blades. Only can fit 100 razor blades. The slots are common in homes built before 1970 and would let people dispose of their old blades. Take off your used double edge razor blade from your razor. My medicine cabinet has a slot for disposing of razor blades, which i presume was a common practic...