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Best Choice RonDexy 
RonDexy RDBB Pair of Bass Blocker/Passive Crossover (Protect 6''X9'' Speaker) 1. Protects 6’’X 9” car audio speakers from harmful frequencies. Frequency range blocked: 4 ohms: 0-300 Hz / 8 ohms: 0-1Metolius 
Metolius Big Nuts - Green #1 Everyone's favorite passive protection in larger sizesDMM 
DMM Alloy Offsets - Assorted 7-11 Material: alluminum alloyBest Value PROHEAR 
PROHEAR 016 Ear Protection Safety Earmuffs for Shooting, NRR 26dB Noise Reduction Slim Passive Hearing Protector with Lo PROFESSIONAL SAFETY EARMUFF: Featured sound dampening composite housing & foam prevents harmful sound from reaching yourPROHEAR 
PROHEAR 016 Ear Protection Safety Earmuffs for Shooting, NRR 26dB Noise Reduction Slim Passive Hearing Protector with Lo [Professional Safety Earmuff]: Featured sound dampening composite housing & foam prevents harmful sound from reaching yo30% Off Loop 
Loop Quiet 2 Ear Plugs – Ultra-Comfy Reusable Noise-Reducing Earplugs For Sleep, Deep Focus, Travel, Noise Sensitivity | POWERFUL NOISE REDUCTION – Packing up to 24 dB (SNR) of noise reduction into a flexible silicone earplug, Quiet 2 muffleWalker's 
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