Additional Information  NOTE: Blank/Unimprinted product sales are final. Returns cannot be accepted under any circumstances (sorry, no exceptions!) IMPORTANT: If the supplier lists any certifications/approval from agencies such as CDC, FDA, NIOSH, NPPTL, or ASTM etc., please check to ensure such certifications are current and appropriate. ** Pricing: OP, OP3, Rush & Turbo orders EQP/NQP pricing do not apply. Online prices are subject to change without notice. All Online pricing is based on our costs known at the time of publishing. Natural disasters, worldwide economic conditions including, but not limited to, foreign governments altering their tax or monetary policies, the cost of raw materials rising (usually associated with the cost of oil) or other economic conditions could result in unforeseen price increases. Any such event may necessitate that we alter the pricing published in this catalog. We are not responsible for pricing or information errors found in third party publications (i.e., ESP, SAGE, Impact, etc.) whether in a database, online, in print or by email blast, etc. Pricing is effective upon publication.