Shop › ALLEN ULTRX SOUND DEFENDER MUFF ALLEN ULTRX SOUND DEFENDER MUFF $19.99 Allen Company ULTRX Sound Defender Muffs, Earmuff, NRR 26dB, Gray 4124 Quantity: Add To Cart Added! Allen Company ULTRX Sound Defender Muffs, Earmuff, NRR 26dB, Gray 4124