Describes something that can be taken off or detached, often used for parts, covers, or accessories.
This shelf comes with removable dividers.
取り外し可能なフードが便利です。
A detachable hood is convenient.
着脱可能 is more technical and often used for parts that are designed to be attached and detached repeatedly, while 取り外し可能 is a broader, everyday term for anything that can be removed.
removable storage
Compound of 取り外し (removal, from 取る 'take' + 外す 'remove') + 可能 (possible).