Shop › RADIANS DEF-GUARD MUFFS NRR23 RADIANS DEF-GUARD MUFFS NRR23 $10.49 Radians Earmuff, Def-Guard, Red , NRR 23 DF0310HC Quantity: Add To Cart Added! Radians Earmuff, Def-Guard, Red , NRR 23 DF0310HC