Fángpēnzhào kěyǐ jiǎnshǎo 'p' hé 'b' yīn de bàoyīn.
A pop filter reduces plosive bursts on 'p' and 'b' sounds.
Tips
memory
防 (prevent) + 喷 (puff/spray) + 罩 (cover). Literally 'prevent-puff-cover' — exactly what a pop filter does: blocks the air burst from your mouth before it reaches the mic capsule.