Filters
20% OFF SALE
Experience cleaner air, easier handling, and longer-lasting performance with PSI Honeycomb Carbon Filters, made in the USA and built for better results.
Popular Filters
PSi Filter Benefits
From the frame to the activated carbon, every PSI filter is manufactured in the United States with strict quality control.
Our precision-engineered honeycomb structure exposes more activated carbon, capturing VOCs, fumes, and odors more efficiently than pellet-style filters.
No spills. No mess. Our filters are 100% dust-free, making installation and replacement simple, safe, and lab-friendly.
Designed to match major equipment brands, PSI filters provide a seamless, reliable fit without the premium price tag.
Stay stocked year-round with our flexible Auto-Ship Program. Choose delivery every 3, 6, or 12 months and never miss a replacement again.
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Frequently Asked Questions
We specialize in histology equipment and work with all major OEMs — Sakura, Leica, Thermo, Slee, and more. Whether it’s a microtome that’s acting up or a tissue processor that needs TLC, we’ve got you covered.
We know downtime disrupts everything. Our team works quickly and communicates clearly so you’re never left wondering. Turnaround time depends on the issue and location, but we always prioritize speed and transparency.
Yes — we offer both on-demand repairs and flexible service contracts. Whether you need coverage for one machine or your whole lab, we’ll customize a plan that works for you.
PSI services labs across 18 states (and growing). If you’re not sure we’re in your area, just ask — we’ll do our best to help or point you in the right direction.
We sure do. PSI is the exclusive U.S. importer for several top-tier histology equipment brands, and we also sell professionally refurbished lab equipment. Whether you’re upgrading, expanding, or replacing, we’ll help you find exactly what you need — without breaking your budget.
Yes! If you have used histology equipment you’re ready to part with, we’d love to take a look. We’re always buying — and with our OEM expertise, you’ll get an informed offer.
Simple. We’ve been supporting labs since 1996 with a deep understanding of histology workflows, reliable service, and honest equipment guidance. Whether you need help tomorrow or are planning for next quarter, PSI is your go-to partner.