Message from the USPS: Due to Covid-19, Priority and First Class package services may take an extra day to be delivered.

Taxes apply for purchases made in the states of Minnesota and Michigan--Tax Exempt paperwork must be submitted and approved before order is placed. See info on Michigan page or on Contact page Thank you!


WPS Respiratory Protection

WPS Respiratory Protection Guide: This guide from PERC includes: Guidance on selecting respirators, medical evaluation options, Step-by-step respirator fit-testing procedures, respirator cleaning/maintenance guidance, and frequently asked questions.
Respiratory Protection for Occupational Users of Pesticides: This document provides information for proper use of respirators by occupational users of pesticides, outlines regulatory requirements of EPA and OSHA that apply to commercial users and agricultural operations that use pesticides, and describes types of respirators, their limitations, use, care, and maintenance.