Replacement Ear Muff Pad Kit, Includes (2) Foam Inserts, (2) Replacement Ear Cushions, Compatible with Grainger Part Number 4DY90, Cushion Material Foam, Vinyl, Noise Reduction Rating 27 dB, Compatible with Manufacturer Model Number L2, L2F, L2FHV, L2H, Compatible with Brand Honeywell, Dielectric Yes, Compatible with Series Leightning, Cushion Color Black, Electrically Insulated Yes, Insert Color Gray, Insert Material Foam