As an Amazon Associate, we earn from qualifying purchases. Home » PL Medical » OD401 Ring Dosimeter with Quarterly Service | shop.benco.com PL Medical . OD401 Gallery Attributes Brand name, Manufacturer name, ManufacturerPL Medical CategoryL1Safety/OSHA CategoryL2Radiation Monitors Extra Product NameRing Dosimeter with Quarterly Service | shop.benco.com moq, multiple, tierMinQty11 MPNOD401 qtyInStock0 SKU5040-591 tierMinQty24 tierPrice192.49 tierPrice290.49 Distributor offers SellerSKUMOQIn stockMultiplePrices benco.com5040-591111 @ $92.49, 4 @ $90.49