Facemask

Facemask is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "Stops me breathing in too much dust."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 120 gp, and item ID 4164.

View on OSRS Wiki

Facemask shows an active flip setup with a margin of +878 gp and 624 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 61.5k gp — high margin with healthy liquidity.