Skip to content
Leister TRIAC ST Air Filter, Black 4 in. x 2 in. Replacement Filter
Regular price $12.30Orders start at $399 — combine any items to reach the minimum. Learn more
Leister TRIAC ST Air Filter, Black 4 in. x 2 in. Replacement Filter
This Leister air filter is the black 4 in. x 2 in. replacement intake filter for the TRIAC ST hot-air hand tool. One filter per piece. Replacing a clogged filter keeps airflow and heating performance consistent during membrane welding.
Key Features:
- Genuine TRIAC ST part: Factory replacement air filter for the Leister TRIAC ST hot-air hand tool.
- Black filter: Black filter element, 4 in. x 2 in., matching the factory specification.
- Restores airflow: A clean filter maintains proper air intake so the tool reaches and holds set temperature.
- Job-site maintenance: Filters clog quickly in dusty roofing environments, so spares keep crews working.
- Sold per piece: One filter per sell unit for easy kit stocking.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Leister |
| Sell unit | 1 piece |
| Product line | Leister TRIAC ST accessories |
| Available colors | Black |
| Available sizes | 4 in. x 2 in. |
| Dimensions | 4 in. x 2 in. |
| Intended use | Replacement air intake filter for Leister TRIAC ST hot-air tool |
Fit and Compatibility:
Fits the Leister TRIAC ST hot-air hand tool; not confirmed for other Leister models in the sources.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One black air filter, 4 in. x 2 in.
Q: Which tool does it fit?
A: It is the replacement air filter for the Leister TRIAC ST hot-air hand tool.
Q: How often should I replace the filter?
A: Inspect it regularly and replace when dirty or clogged; dusty job sites clog filters much faster.
Q: What happens if the filter is clogged?
A: Reduced airflow lowers output and can cause the tool to overheat or lose temperature.
Q: Is this sold as a pack?
A: It is sold one filter per piece; order multiples to stock the tool kit.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Dirty intake filters are the most common cause of a TRIAC ST that will not reach temperature on a dusty roof. Check the filter at the start of each shift and blow it out or swap it as needed. Keep several spares per crew since filter changes take seconds and prevent mid-seam shutdowns.
Let the tool cool and disconnect power before removing or replacing the air filter; the nozzle and housing stay hot long after use.
Keep your TRIAC ST running at temperature with a genuine Leister replacement air filter.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
