The Koch Multi-Pleat XL8 Insert is the media and pleat pack only — no frame — designed to drop into existing metal or other reusable holding frames. It carries a MERV 8 efficiency rating using the same synthetic-fiber media Koch developed for the standard Multi-Pleat XL8 line. Sold by the case: 100 inserts per case for 1″ and 2″ depths, 50 inserts per case for 4″ depths.
This insert is not a complete drop-in pleated panel filter. It is the replacement element for installations that already have a permanent or reusable frame in place. If you currently swap full filters with their own beverage board frames, you want the standard Multi-Pleat XL8 (102-700/702 series) or one of Koch’s other complete pleated panel lines — not this insert.
Two capacity options
Available in two media-area configurations sharing the same MERV 8 rating and the same media composition:
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Standard Capacity (102-800-XXX): Balanced media area for systems where filter changes are scheduled on a regular calendar interval. The economical baseline option.
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High Capacity (102-801-XXX): Approximately 30% more media area in the same nominal size. The right pick for systems where filters are changed by pressure-drop trigger rather than calendar — the extra media extends time-to-final-pressure-drop and stretches each insert across more service hours.
When this insert is specified
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You have an existing reusable metal holding frame — common in commercial AHUs and built-in housing assemblies built around a permanent frame
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You want to reduce per-changeout cost — insert-only replacement is significantly cheaper than buying complete framed filters because you reuse the frame across many service intervals
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Your facility prefers media-only disposal — less material to discard at each changeout
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You need a MERV 8 element matched to the standard Multi-Pleat XL8 — the inserts use the same Koch-developed synthetic media as the framed XL8 line
Design and construction
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Media: 100% synthetic, Koch-engineered for extended-surface pleated filtration (same media as the standard Multi-Pleat XL8)
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Frame: NONE — this is the media and pleat pack only, designed to seat in an existing reusable frame
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Configuration: Extended-surface pleated insert, available in 1″, 2″, and 4″ depths
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Efficiency rating: MERV 8 per ASHRAE Test Standard 52.2
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Listings: UL Classified (matches the parent XL8 product)
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Available capacities: Standard and High Capacity (~30% more media)
What MERV 8 captures
Captures dust mite debris, pollen, mold spores, pet dander, and most household and office airborne dust. The standard residential and commercial efficiency for everyday indoor air quality, balancing capture performance with airflow.
Standard vs. High Capacity
Both options share the same MERV 8 rating, the same Koch-engineered synthetic media, and the same nominal sizes. The choice depends on how your facility schedules changeouts. Standard Capacity is the right pick when filters are changed on a regular calendar interval (every 30, 60, or 90 days, for example) and predictable cost per cycle matters most. High Capacity packs approximately 30% more media into the same nominal size — the right pick when changeouts are triggered by pressure-drop thresholds, since the extra media extends the time-to-final-pressure-drop and lowers your total cost of ownership across the full service cycle.
Important: this is an insert, not a complete filter
The XL8 Insert is intended for use in a reusable holding frame that you already own. It will not function as a stand-alone filter without a frame. If your filter slot expects a complete disposable filter (the typical setup for most residential and commercial HVAC cabinets), you want one of the complete framed Koch pleated panels — the standard Multi-Pleat XL8, the self-supporting Multi-Pleat Elite, or the heavy-duty Multi-Pleat GT. If you’re unsure which form factor your installation uses, measure your filter slot and check whether your existing filter has its own frame or relies on a separate holding frame.
Sizing and ordering notes
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Match the insert to your existing frame. Confirm both the nominal size and the depth your frame accepts before ordering.
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Sizes listed are nominal. Actual insert dimensions are slightly under nominal — standard for the industry.
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Sold by the case. 1″ and 2″ depths ship in cases of 100 inserts; 4″ depths ship in cases of 50 inserts. The variant price is the case price. Need a different volume? Request a quote for facility-scale orders.
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One packaging exception: The 24″ × 24″ × 2″ High Capacity insert (102-801-022) ships 50 inserts per case rather than the usual 100, because the additional media in the High Capacity build takes up more volume per insert at this larger size. The Standard Capacity 24″ × 24″ × 2″ (102-800-022) still ships 100 per case.
