Sellstrom H225 Ear Muff, Blue - NRR 25 (S23401) deals the DA230 does not require

the DA230 does not require calibration

Specifications: Cable Length: Approximately 6 feet (1

Gatorback Zippered Add-On Pouch

T&T Tools 30" Handy Hook - 1/2" Steel - Dual Hook

Clamping System: Dual clamps (quick clamp and wing screw)

Sellstrom H225 Ear Muff, Blue - NRR 25 (S23401) deals the DA230 does not requireSellstrom H225 Ear Muff, Blue NRR 25 Model Number: S23401 Features: The Sellstrom H225 Ear Muff are lightweight and dielectric ear muffs which protects the user from electric shocks and shorts, and features tough and long lasting tension bands that are easily adjustable for quick and convenient positioning. Comfortable, lightweight and economical Dielectric design protects workers from electric shock Soft and comfortable cup pads ideal for all day use