2872 f refill products are offered for sale by suppliers on Alibaba.com, of which toner powder accounts for 6%, filling machines accounts for 1%, and pen refills accounts for 1%.
A wide variety of f refill options are available to you, such as plastic, metal.You can also choose from gel pen refill, f refill,as well as from lead f refillAnd whether f refill is mechanical pencil lead, {2}, or {3}.