|BIG 4 should be considered your trusted source for quality new and recycled filters. With over 35 years of experience in the filtration business we are the experts when it comes to product knowledge, sizing, cross reference and sourcing.
|Unmatched Filter Availability
With more than 200,000 quality filters available, from virtually every major manufacturer, and 1,000's of "most needed" filters in stock. BIG 4 is dedicated to having the filters you need, when you need them.
Committed to Customer Service
Offering superior filters is one thing but when it comes to customer service BIG 4 is the Oklahoma leader. In addition to a large inventory and product knowledge second to none, we offer a weekly service pick-up and delivery route to keep your plant supplied with their filtration needs. Our team is also available on call 24/7 for emergencies.
BIG 4 Value
Great service, product availability, and reasonable prices give you the BIG 4 value. Plus every filter we supply carries a manufactures warranty and our promise of 100% satisfaction.
Going Green Makes Sense for the Environment and Your Budget
In addition to offering new filters BIG 4 can recycle your existing filters at a fraction of the cost of buying a new filter. Our proprietary 9 step cleaning and inspection process renews your old dirty filter to manufactures specs saving you 40% or more over the original cost. Plus many filters can be recycled up to 8 times saving even more money while significantly lowering landfill waste as a byproduct of this process.