Clearways Browguard comes with Ratchet Adjustment - 340100 Face protection offering strength & durability. • Option of ratchet headband for a secure, comfortable fit or economic elastic headband. • Weighing only 160 grams is comfortable enough to wear all day long. • Integral visor fitting ensures extra protection against chemical see page. • Economical replacement acetate or polycarbonate visors are available separately. Approved to BS EN 166 3-B or F.