- Credit Card Authorization - Draft Payment Authorization - Customer Information Form - Filpac Order Form - Warranty & Claims Phone: 1-800-290-1577 Fax: 1-888-693-9077 Email: orderdesk@filpac.net Warranty & Claims Champ Labs/PurePro Filters Use this claim form for claims and complaints about Champ Labs products. PurePro Filters Warranty Read the PUREPRO filters warranty. These filters are manufactured by Champ Labs.