| Specification | Parameter |
| Brand | INGCO |
| Model | HEM3328 |
| Product Type | Industrial Hearing Protection Earmuff |
| Shell Material | 100% New Impact-Resistant ABS |
| Earmuff SNR / NRR | SNR: 33 dB / NRR: 26 dB |
| Included Earplugs | 1 Pair Extra High-Density Earplugs |
| Earplug SNR / NRR | SNR: 38 dB / NRR: 32 dB |
| Design Architecture | Double-Shell Acoustic Isolation |
| Adjustment System | Stainless Steel Wire Slider |
| Comfort Padding | Soft Headband & Cushion Seals |
| Safety Certifications | ANSI3.19-1974 & EN352-2:2020 |
| Packaging | Packed by Color Box |
| Best Used For | Loud Machinery, Power Tools, Lawn Mowing, Construction & Factories |
High-Acoustic SNR 33dB / NRR 26dB Defense: Engineered with a unique double-shell design to block high-frequency noise from heavy machinery, power tools, and lawn mowers.
100% New ABS Impact-Resistant Casing: Built with a rugged, high-density ABS shell body that resists structural impacts, drops, and harsh industrial workplace wear.
Ergonomic Padded Headband & Wire Adjustment: Features soft headband cushioning paired with stainless steel wire slides for smooth, personalized height adjustments and pressure-free long wear.
Bonus Ultra-High Protection Earplugs: Includes an extra 1 pair of high-density earplugs featuring an exceptional SNR 38 dB / NRR 32 dB rating for extreme noise zones.
Dual International Safety Certifications: Fully certified to comply with rigorous ANSI3.19-1974 and EN352-2:2020 international safety standards, packed in a color box across Nepal.