16" x 25" x 3" Air Bear Cub Replacement Filter (MERV 11)

Trion 259112-101 16" x 25" x 3" Air Bear Cub Replacement Filter (MERV 11)
A Trion Air Bear Cub replacement media filter used in compatible HVAC/whole-home media air cleaners to capture airborne particles with a MERV 11 rated filter when the correct replacement size and part number are required.

Key Features

• Size: 16" x 25" x 3"
• Filtration rating: MERV 11
• Material: Synthetic
• Product type: Media filter
• Trion states Air Bear filters are designed to help reduce allergens and odors, are HVAC-compatible, and are available in multiple efficiencies including MERV 11.
• Trion lists Air Bear filter design features including finger-supported vertical pleats for spacing and dirt-holding capacity, a factory-installed double gasket (top and bottom) to help reduce bypass, a moisture-resistant frame, and galvanized rust-resistant wire mesh support.
• Trion states Air Bear media filters are UL900 listed.

Compatibility & Applications

• Intended as an Air Bear Cub replacement filter in systems that use the 16" x 25" x 3" Air Bear media filter size.
• Trion states Air Bear media filters fit units from Generalaire, Skuttle, and Ultravation (fit still depends on the exact cabinet/model and required filter size).
• Must only be used where the manufacturer specifies this exact part number: 259112-101.

Installation & Operation Notes

• Installation should be performed by a qualified HVAC technician or a knowledgeable homeowner following the air cleaner and HVAC system documentation.
• Reference the air cleaner cabinet and HVAC equipment manuals for the correct access method, airflow direction/orientation, and sealing requirements.
• Trion advises using TRION Air Bear filters in whole-home media air cleaners to maintain intended performance and efficiency.

Maintenance & Troubleshooting

• Media filters are typically replaced when loaded with debris or when airflow/performance declines per the air cleaner/HVAC maintenance guidance.
• If dust bypass or poor fit is observed, verify the correct size and part number, and confirm gaskets are sealing properly against the cabinet.

Certifications & Compliance

• UL900 listed (as stated by Trion for Air Bear media filters).

User Reviews & Q&A Summary

• Review themes frequently report correct fit, including positive mentions of foam seals/gaskets helping with sealing.
• Several reviewers note it's a hard-to-find filter locally, and highlight good pricing and fast delivery.
• Some users comment on noticeable dirt capture over a short period and report it working well in their air handler/furnace setup.