The Bilsom 303L disposable earplugs are designed for personal comfort and performance. Ideal for workers who need to block out loud noise. Features: 400 pairs of uncorded ear plugs in each refill canister Provide long wear-time comfort Large size Compatible with HL400 dispensers Notes Empty HL400 dispenser can be purchased here here Pre-filled HL400 dispensers with 400 pairs of Bilsom 303L ear plugs can be purchased here Pre-filled HL400 dispensers with 400 pairs of Bilsom 303S ear plugs can be purchased here Pre-filled HL400 dispensers with 400 pairs of Laser Lite ear plugs can be purchased here Pre-filled HL400 dispensers with 400 pairs of Max ear plugs can be purchased here Pre-filled HL400 dispensers with 400 pairs of Max Lite ear plugs can be purchased here Pre-filled HL400 dispensers with 400 pairs of FirmFit ear plugs can be purchased here