Product Details

  • UL listing helps meet municipal and other permitting requirements that may be required before pass-through can be approved for operation.
  • UL listing ensures safety and integrity of pass-through, as evaluated by independent third-party UL (Underwriters Laboratories).
  • Ensuring the safety of your employees, customers, and products is essential. UL is recognized around the world as the leader in product safety testing and certification. Terra's UL-listed pass-through chambers with leak-ratings are manufactured to the highest standards to improve contamination control for increased safety and yields.
  • After certification, Underwriters Laboratories (UL) conducts monthly inspections and audits to maintain product quality and ensure ongoing compliance with safety standards for which the products were initially certified.
  • Includes declaration of listing under UL File Number R37917 for Terra pass-through(s).

On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.