{"product_id":"koch-multi-pleat-xl11-insert","title":"Koch Multi-Pleat XL11 Insert (Media \u0026 Pleat Pack Only) MERV 11 - Case","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Multi-Pleat XL11 Insert\u003c\/strong\u003e is the \u003cstrong\u003emedia and pleat pack only\u003c\/strong\u003e — no frame — designed to drop into existing metal or other reusable holding frames. It carries a \u003cstrong\u003eMERV 11\u003c\/strong\u003e efficiency rating using the same dual-layered synthetic media Koch developed for the standard Multi-Pleat XL11 line. Sold by the case: \u003cstrong\u003e100 inserts per case for 1″ and 2″ depths\u003c\/strong\u003e, \u003cstrong\u003e50 inserts per case for 4″ depths\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThis insert is \u003cstrong\u003enot a complete drop-in pleated panel filter\u003c\/strong\u003e. 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 XL11 (102-091\/102-499 series) or one of Koch’s other complete pleated panel lines — not this insert.\u003c\/p\u003e\u003ch3\u003eThe XL11 dual-layer media advantage\u003c\/h3\u003e\u003cp\u003eThe XL11 uses a highly specialized \u003cstrong\u003edual-layered 100% synthetic media\u003c\/strong\u003e engineered specifically for extended-surface air filtration. The upstream layer (\u003cstrong\u003eE-Layer\u003c\/strong\u003e) is electrostatically enhanced for high initial particle capture; the downstream layer (\u003cstrong\u003eM-Layer\u003c\/strong\u003e) is purely mechanical. This two-layer construction solves a known weakness of single-layer electrostatic media: as a filter dirties over time, the static charge dissipates and capture efficiency drops. The M-Layer’s mechanical second stage maintains MERV 11 performance across the full service life regardless of charge state — the filter performs the same on day 90 as it does on day 1.\u003c\/p\u003e\u003ch3\u003eTwo capacity options\u003c\/h3\u003e\u003cp\u003eAvailable in two media-area configurations sharing the same MERV 11 rating and the same dual-layer media composition:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Capacity (102-806-XXX):\u003c\/strong\u003e Balanced media area for systems where filter changes are scheduled on a regular calendar interval. The economical baseline option for preventive-maintenance changeouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Capacity (102-807-XXX):\u003c\/strong\u003e 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.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen this insert is specified\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou have an existing reusable metal holding frame\u003c\/strong\u003e — common in commercial AHUs and built-in housing assemblies built around a permanent frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou need MERV 11 efficiency in an insert form factor\u003c\/strong\u003e — offices, schools, hotels, healthcare environments, and light industrial systems requiring better-than-MERV-8 capture without a complete framed filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou want to reduce per-changeout cost\u003c\/strong\u003e — insert-only replacement is significantly cheaper than buying complete framed filters because you reuse the frame across many service intervals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYour facility prefers media-only disposal\u003c\/strong\u003e — less material to discard at each changeout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYou need a MERV 11 element matched to the standard Multi-Pleat XL11\u003c\/strong\u003e — the inserts use the same Koch-engineered dual-layer synthetic media as the framed XL11 line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Dual-layered 100% synthetic (upstream E-Layer electrostatically enhanced + downstream M-Layer mechanical; same media as the standard Multi-Pleat XL11)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e NONE — this is the media and pleat pack only, designed to seat in an existing reusable frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Extended-surface pleated insert, available in 1″, 2″, and 4″ depths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 11 per ASHRAE Test Standard 52.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListings:\u003c\/strong\u003e UL Classified (matches the parent XL11 product)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable capacities:\u003c\/strong\u003e Standard and High Capacity (~30% more media)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 11 captures\u003c\/h3\u003e\u003cp\u003eCaptures fine dust, smoke, auto fumes, and most airborne particles down to 1 micron. A strong general-purpose efficiency for offices, schools, hotels, and light industrial.\u003c\/p\u003e\u003ch3\u003eStandard vs. High Capacity\u003c\/h3\u003e\u003cp\u003eBoth options share the same MERV 11 rating, the same Koch-engineered dual-layer synthetic media, and the same nominal sizes. The choice depends on how your facility schedules changeouts. \u003cstrong\u003eStandard Capacity\u003c\/strong\u003e 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. \u003cstrong\u003eHigh Capacity\u003c\/strong\u003e 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.\u003c\/p\u003e\u003ch3\u003eXL11 vs. XL8 inserts: which to choose\u003c\/h3\u003e\u003cp\u003eBoth insert lines drop into the same metal holding frames and share the same form factor. The difference is efficiency: the \u003cstrong\u003eXL8 Insert\u003c\/strong\u003e (MERV 8) is the right choice for standard residential and commercial HVAC where dust, pollen, and pet dander are the primary capture targets. The \u003cstrong\u003eXL11 Insert\u003c\/strong\u003e (this product, MERV 11) steps up to capture fine dust, smoke, auto fumes, and most particles down to 1 micron — the better choice for offices, schools, hotels, healthcare, and light industrial environments where indoor air quality requirements are higher. Confirm your system can handle the slightly higher pressure drop of MERV 11 before specifying.\u003c\/p\u003e\u003ch3\u003eImportant: this is an insert, not a complete filter\u003c\/h3\u003e\u003cp\u003eThe XL11 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 \u003cstrong\u003eMulti-Pleat XL11\u003c\/strong\u003e (MERV 11 framed filter) or one of the lower-MERV options like the Multi-Pleat XL8 or Multi-Pleat Elite. 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.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the insert to your existing frame.\u003c\/strong\u003e Confirm both the nominal size and the depth your frame accepts before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes listed are nominal.\u003c\/strong\u003e Actual insert dimensions are slightly under nominal — standard for the industry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold by the case.\u003c\/strong\u003e 1″ and 2″ depths ship in \u003cstrong\u003ecases of 100 inserts\u003c\/strong\u003e; 4″ depths ship in \u003cstrong\u003ecases of 50 inserts\u003c\/strong\u003e. The variant price is the case price. Need a different volume? \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for facility-scale orders.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koch","offers":[{"title":"Standard Capacity \/ 10x20x1","offer_id":44118842966138,"sku":"102-806-001","price":336.0,"currency_code":"USD","in_stock":true},{"title":"Standard Capacity \/ 12x24x1","offer_id":44118842998906,"sku":"102-806-002","price":437.0,"currency_code":"USD","in_stock":true},{"title":"Standard Capacity \/ 14x20x1","offer_id":44118843031674,"sku":"102-806-003","price":422.0,"currency_code":"USD","in_stock":true},{"title":"Standard Capacity \/ 14x25x1","offer_id":44118843064442,"sku":"102-806-004","price":518.0,"currency_code":"USD","in_stock":true},{"title":"Standard Capacity \/ 15x20x1","offer_id":44118843097210,"sku":"102-806-005","price":479.0,"currency_code":"USD","in_stock":true},{"title":"Standard Capacity \/ 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