PCR Workstation

What Are PCR Workstations?

PCR workstations are compact, three-sided bench-top enclosures designed to protect polymerase chain reaction (PCR) samples and reagents from airborne particles and surface contamination that cause false amplification results. Two technologies are used: UV-only models house a 254 nm UV-C lamp that decontaminates surfaces and tools between reactions; HEPA+UV combination models add vertical laminar airflow through a HEPA filter rated 99.97% at 0.3 µm, creating an ISO 5 (Class 100) environment during active sample handling. PCR is exquisitely sensitive to DNA carryover—a single amplicon molecule from a previous reaction can generate a false positive—making dedicated pre-amplification workspace a standard precaution in molecular diagnostics, forensics, and clinical laboratories.

What you will find:

• SureAir PCR workstation: for enclosed, contamination-controlled workflows

• Replacement prefilters: for maintaining clean airflow

PCR Workstation Accessories:

• Replacement HEPA filters: for effective contamination control

How to Choose a PCR Workstation

UV-Only vs. HEPA+UV Combination

UV-only workstations (typically lower cost) decontaminate surfaces and instruments between runs but provide no active air protection during pipetting. HEPA+UV workstations maintain ISO 5 clean air throughout the work session, protecting open tubes and reaction mixes from settling particles. For shared labs, high-throughput clinical diagnostics, or any setting where reagents are left open during preparation, the HEPA+UV model offers measurably better protection.

Working Width (24 / 32 / 36 inch)

A 24-inch unit suits a single operator and a compact reagent setup. A 32- to 36-inch model accommodates two simultaneous reaction setups or a thermal cycler inside the work zone. Confirm the internal working depth (typically 400–500 mm) against the equipment being placed inside before ordering.

Filter Configuration

Combination HEPA workstations may include a three-stage filter module: carbon pre-filter (captures gases and reduces ozone), HEPA filter (removes particles ≥0.3 µm at 99.97% efficiency), and a recirculating UV stage. Three-stage systems extend HEPA filter life and reduce odor in labs handling sensitive reagent mixes.

Accessories and Consumable Cycle

Factor in the replacement UV lamp life (typically 8,000–9,000 hours) and HEPA filter replacement interval (12–24 months) when calculating total cost of ownership. Some models include a filter-status indicator or UVTect-style airflow monitor that alerts the operator when the HEPA or lamp requires replacement.

Biosafety Level Compatibility

PCR workstations protect samples only—they provide no personnel or environmental protection. For any work with infectious agents, a Class II biosafety cabinet certified to NSF/ANSI 49 is required instead of or in addition to a PCR workstation.

Specifications Context

ISO 5 (equivalent to US Federal Standard 209E Class 100) permits no more than 3,520 particles ≥0.3 µm per cubic meter of air—the standard targeted by HEPA+UV PCR workstations operating in normal laboratory conditions. UV-C lamp output at 254 nm degrades over time; replace lamps per the manufacturer's rated life (approximately 8,000 hours for standard UV lamps, longer for long-life UV options) to maintain documented decontamination efficacy. As of 2026, some PCR workstation models include digital 0–59 minute UV timers and lab event timers, and automatic UV shutoff when the front sash is opened, protecting operators from incidental UV-C exposure during sample access.

Contact the expert team at Molecular Biology Products Inc. (MBP) today to find the right PCR workstation for your lab.