Our sorbent tubes are designed for the efficient capture of airborne contaminants during air sampling. They are ideal for use with low-flow sampling pumps in various industrial hygiene and environmental monitoring applications.
- Key Features:
- Universal Compatibility: Fits a wide range of industry-standard sorbent tube sizes (available in six sizes).
- Accurate Sampling: Packed with precisely weighed, high-purity coconut shell charcoal for consistent and reliable results.
- Breakthrough Control: Two-section design ensures complete sample capture and prevents breakthrough contamination.
- Easy to Use: Snapped glass ends and included caps simplify handling and transportation.
- Bulk Packaging: Available in boxes of 50 for cost-effective purchasing (up to 1,000 per order).

Advanced Sampling with Patented [US Patent No. 4,389,372] Sorbent Tube Holders

Maximize your sampling efficiency and versatility with our innovative sorbent tube holder system.
- Clear Visibility: Transparent plastic housing allows for real-time monitoring of the sampling process.
- Double-Seal Technology: End caps with interior O-ring fittings at each end ensure absolute leak-proof integrity, preventing sample contamination.
- Flow Calibration: Enables in-place flow calibration of the sample tube for precise sampling control.
- Modular Design: Facilitates quick and effortless reconfiguration of tube holder arrangements.
Single Tube Holder Kits
Our single tube holder kits provide a complete solution for individual sampling applications. Each kit includes:
- Single sorbent tube holder
- Tubing for connection to the pump
- Adapters for compatibility with various tube sizes
- Collar clip for secure attachment
Available Options:
- Standard tube holder kit for constant flow control
- Manifolded kit for variable flow single tube sampling with constant pressure control
| Sorbent Tubes | ||
| 801935 | Charcoal Tube, Coconut Shell, Standard, 50/100 mg, 6 x 70mm (pkg of 50) | |
| 811-9903-20 | Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10x110mm, with end caps, 20pk | |
| 811-9903-50 | Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10x110mm, with end caps, 50pk | |
| 811-9902-20 | Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x110mm, with end caps, 20pk | |
| 811-9902-50 | Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x110mm, with end caps, 50pk | |
| ⇒ Purchase Charcoal Tubes Online | ||
| 811-9989-20 | Sorbent Tube, Beaded Carbon, 6X70mm, 140/70, 20/Box | |
| 811-9962-50 | Sorbent Tube, Chromosorb-102, 8X110mm, 100/50, 50/Box | |
| 811-9988-10 | Sorbent Tube, Chromosorb-106, 10X150mm, 600/300, 10/Box | |
| 811-9985-50 | Sorbent Tube, Florisil, 6X70mm, 100/50, 50/Box | |
| 811-9963-50 | Sorbent Tube, Microlite, 6X70mm, 200mg, 50/Box | |
| 811-9964-50 | Sorbent Tube, Microlite, 8X110mm, 500mg, 50/Box | |
| 811-9981-50 | Sorbent Tube, Porapak-N, 6X70mm, 88/44, 50/Box | |
| 811-9982-50 | Sorbent Tube, Porapak-P, 6X110mm, 100/50, 50/Box | |
| 811-9983-50 | Sorbent Tube, Porapak-Q 6X110mm, 150/75, 50/Box | |
| 811-9984-50 | Sorbent Tube, Porapak-R 6X70mm, 70/35, 50/Box | |
| 811-9971-50 | Sorbent Tube, Silica (H2SO2), 6X70mm, 150/75, 50/Box | |
| 811-9970-50 | Sorbent Tube, Silica (Spec Clean), 7X110mm, 50/Box | |
| 811-9966-50 | Sorbent Tube, Silica Gel, 6X70mm, 100/50, 50/Box | |
| 811-9965-50 | Sorbent Tube, Silica Gel, 6X70mm, 150/75, 50/Box | |
| 811-9967-50 | Sorbent Tube, Silica Gel, 8X110mm, 300/150, 50/Box | |
| 811-9968-50 | Sorbent Tube, Silica Gel, 8X110mm, 520/260, 50/Box | |
| 811-9969-100 | Sorbent Tube, Silica, DNPH, 6X110mm, 300/150, 100/Box | |
| 811-9969-20 | Sorbent Tube, Silica, DNPH, 6X110mm, 300/150, 20/Box | |
| 811-9972-50 | Sorbent Tube, TenaX, 8X110mm, 100/50, 50/Box | |
| 811-9977-20 | Sorbent Tube, XAD-2, 6X110mm, 120/60, 20/Box | |
| 811-9976-20 | Sorbent Tube, XAD-2, 6X110mm, 150/75, 20/Box | |
| 811-9973-50 | Sorbent Tube, XAD-2, 8X110mm, 100/50, 50/Box | |
| 811-9974-50 | Sorbent Tube, XAD-2, 8X110mm, 150/75, 50/Box | |
| 811-9975-50 | Sorbent Tube, XAD-2, 8X110mm, 400/200, 50/Box | |
| 811-9978-20 | Sorbent Tube, XAD-2, 8X110mm, 450/225, 20/Box | |
| 811-9979-50 | Sorbent Tube, XAD-7, 6X110mm, 100/50, 50/Box | |
| 811-9980-50 | Sorbent Tube, XAD-7, 6X70mm, 60/30, 50/Box | |
| ⇒ Purchase Sorbent Tubes Online | ||
| Tube Holder Kits – Constant Flow Control Single Samples | ||
| 800149 | Single Tube Holder Kit, 6 x 70mm (Standard Charcoal Tube) | 2.76”/70mm |
| 800259 | Single Tube Holder Kit, 7-10 x 110 mm | 4.33”/110mm |
| 800260 | Single Tube Holder Kit, 7-10 x 150 mm | 5.91”/150mm |
| 800261 | Single Tube Holder Kit, 7-10 x 175 mm | 6.89”/175mm |
| 800263 | Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tubes] | 5.91”/150mm |
| 800262 | Single Tube Holder Kit, 7 x 130 mm [Draeger Long Term Tubes] | 5.12”/130mm |
| Tube Holder Kits – Variable Flow Control Single & Multiple Samples | ||
| Manifold Kits | ||
| 800253 | Single Variable Flow Kit, 6 x 70mm (Standard Charcoal Tube) | |
| 800255 | Single Variable Flow Kit, 7-10 x 110mm | |
| 800256 | Single Variable Flow Kit, 7-10 x 150mm | |
| 800257 | Single Variable Flow Kit, 7-10 x 175 mm | |
| 800254 | Single Variable Flow Kit, 5 x 150mm [Kitagawa TWA Tubes] | |
| 800258 | Single Variable Flow Kit, 7 x 130 mm [Dräger Long Term Tubes] | |
| 800252 | Single Variable Flow Starter Kit (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) | |
| 800148 | Manifold Kit, Dual, 6 x 70mm (Standard Charcoal Tube) | |
| 801407 | Manifold Kit, Dual, 10 x 110mm | |
| Tube Kits | ||
| 800251 | Tube Holder Kit, Dual Variable Manifold (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) | |
| 800230 | Triple Variable Tube Holder Kit, 6 x 70mm | |
| 800250 | Triple Variable Manifold Kit (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) | |
| 800231 | Tube Holder Kit, Quad Variable, 6 x 70mm | |
| 800249 | Tube Holder Kit, Quad Variable (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) | |
| 800232 | Tube Holder Kit, Deluxe (Single, Dual, Triple & Quad, all sizes) | |
| Manifolds | ||
| 800072 | Tube Holder Single Variable Flow, only | |
| 800073 | Tube Holder Dual Variable Flow, only | |
| 800074 | Tube Holder Triple Variable Flow, only | |
| 800075 | Tube Holder Quad Variable Flow, only | |
| Tube Holder Housings | ||
| 200102 | Tube Holder Housing, 6x70mm, 1/2″ OD, S225 | |
| 200102-10 | Tube Holder Housing, 6x70mm, 1/2″ OD, S225 (pkg of 10) | |
| 200104 | Tube Holder Housing, 5 x 150mm, 1/2″, S255 [Kitagawa] | |
| 200104-10 | Tube Holder Housing, 5 x 150mm, 1/2″, S255 [Kitagawa] (pkg of 10) | |
| 200115 | Tube Holder Housing, 7 x 130mm, 5/8″, L247 [Draeger] | |
| 200115-10 | Tube Holder Housing, 7 x 130mm, 5/8″, L247 [Draeger] (pkg of 10) | |
| 200113 | Tube Holder Housing, 7-10 x 110mm, 5/8″, L240 | |
| 200113-10 | Tube Holder Housing, 7-10 x 110mm, 5/8″, L240 (pkg of 10) | |
| 200112 | Tube Holder Housing, 7-10 x 150mm, 5/8″, L255 | |
| 200112-10 | Tube Holder Housing, 7-10 x 150mm, 5/8″, L255 (pkg of 10) | |
| 200114 | Tube Holder Housing, 7-10 x 175mm, 5/8″, L265 | |
| 200114-10 | Tube Holder Housing, 7-10 x 175mm, 5/8″, L265 (pkg of 10) | |
| 800063 | Tube Holder Housing End, 1/2″ for 5mm OD | |
| 800063-10 | Tube Holder Housing End, 1/2″ for 5mm OD (pkg of 10) | |
| 800062 | Tube Holder Housing End, 1/2″ for 6mm OD | |
| 800062-10 | Tube Holder Housing End, 1/2″ for 6mm OD (pkg of 10) | |
| 800071 | Tube Holder Housing End, 5/8″, for 1/4″ OD, Open End | |
| 800071-10 | Tube Holder Housing End, 5/8″, for 1/4″ OD, Open End (pkg of 10) | |
| 800064 | Tube Holder Housing End, 5/8″, for 7-10mm | |
| 800064-10 | Tube Holder Housing End, 5/8″, for 7-10mm (pkg of 10) | |
| Tube Holder Adapters | ||
| 800139 | Tube Holder Adapter for 1/2″ Ends | |
| 800138 | Tube Holder Adapter for 5/8″ Ends | |
| 200187 | Tube Holder Adapter, 3/16″ to 1/4″ Ends | |
| Tube Holder Collar Clips | ||
| 800135 | Tube Holder Collar Clip, for 1/2″ OD, 3/8″ ID Tubing | |
| 800135-10 | Tube Holder Collar Clip, for 1/2″ OD, 3/8″ ID Tubing (pkg of 10) | |
| 800066 | Tube Holder Collar Clip, for 1/4″ OD, 1/8″ ID Tubing | |
| 800066-10 | Tube Holder Collar Clip, for 1/4″ OD, 1/8″ ID Tubing (pkg of 10) | |
| 800142 | Tube Holder Collar Clip, for 3/8″ OD, 1/4″ ID Tubing | |
| 800142-10 | Tube Holder Collar Clip, for 3/8″ OD, 1/4″ ID Tubing (pkg of 10) | |
| 800136 | Tube Holder Collar Clip, for 5/8″ OD, 1/2″ ID Tubing | |
| 800136-10 | Tube Holder Collar Clip, for 5/8″ OD, 1/2″ ID Tubing (pkg of 10) | |
| 800134 | Tube Holder Collar Clip, for 7/16″ OD, 5/16″ ID Tubing | |
| 800134-10 | Tube Holder Collar Clip, for 7/16″ OD, 5/16″ ID Tubing (pkg of 10) | |
| Tube Holder Accessories | ||
| 800165 | Tube Holder Coupling | |
| 800165-10 | Tube Holder Coupling (pkg of 10) | |
| 800170 | Tube Holder Hose Barb Fitting | |
| 800170-10 | Tube Holder Hose Barb Fitting (pkg of 10) | |
| 200279 | Wrench, Tube Holder | |
| 400253 | Tube Holder, Clear Storage Box | |
| 800238 | Tube Holder O-Ring Kit | |
| 200486 | Tube Holder Tubing, 1/4″ ID x 1/16″ W (10 ft) | |
| 200524 | Tube Holder Tubing, 3/16″ ID x 1/16″ W (10 ft) | |
| F-PRO-1218 | Universal Tube Holder System – Instruction Manual | |