{"product_id":"koch-maxi-grid-slip-on-service-rolls","title":"Koch Maxi-Grid Slip-On Service Rolls - PTAC and Fan Coil Sleeve Media","description":"\u003cp\u003eKoch \u003cstrong\u003eMaxi-Grid Slip-On Service Rolls\u003c\/strong\u003e are \u003cstrong\u003econtinuous rolls of sleeve filter media\u003c\/strong\u003e that slip over a replaceable internal steel wire frame, creating a complete filter on demand. Designed for \u003cstrong\u003efan coil units, package terminal air conditioners (PTAC units), hotel HVAC, commercial buildings, and hospital air handlers\u003c\/strong\u003e — any application where the filter wire stays in place and only the media gets replaced.\u003c\/p\u003e\u003ch3\u003eWhy slip-on sleeves exist (and why they save money)\u003c\/h3\u003e\u003cp\u003eMost disposable filters are throwaway frame-and-media units — you buy a complete panel, install it, then replace the entire panel (frame and media together) at end of life. Slip-on sleeves split that economics: the \u003cstrong\u003e9-gauge rust-resistant steel wire frame stays in service for years\u003c\/strong\u003e, and only the \u003cstrong\u003epolyester media sleeve gets replaced\u003c\/strong\u003e. For high-volume applications — a hotel with hundreds of PTAC units, or a hospital with dozens of fan coil units — the per-changeout cost drops substantially compared to disposable framed filters.\u003c\/p\u003e\u003cp\u003eKoch positions this line as an \u003cstrong\u003eeconomical replacement for fiberglass throwaway filters\u003c\/strong\u003e in applications where the wire support frame is already in place or can be installed once. Cut the sleeve to length from the roll, slip it over the wire, install in the unit. When it loads up, pull the wire, slip off the old sleeve, slip on a new one from the roll.\u003c\/p\u003e\u003ch3\u003eThree sleeve types — choosing between SS, DL, and DL200\u003c\/h3\u003e\u003cp\u003eKoch offers three sleeve constructions on this product. All three carry the same \u003cstrong\u003eMERV 5\u003c\/strong\u003e efficiency rating per ASHRAE Test Standard 52.2 and serve the same applications — the differences are in media density, dust holding capacity, and roll length:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType SS (Polyester + Spunbonded):\u003c\/strong\u003e Single-layer polyester face with a spunbonded backing for support. Initial pressure drop \u003cstrong\u003e0.30″ w.g. at 400 FPM\u003c\/strong\u003e, dust holding capacity \u003cstrong\u003e105 grams at 1.5″ w.g.\u003c\/strong\u003e The economical choice for general-purpose PTAC and fan coil applications. \u003cstrong\u003e135-foot rolls\u003c\/strong\u003e, 14 width options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType DL (Dual-Layered Polyester):\u003c\/strong\u003e Two layers of polyester for higher dust holding capacity and longer service life. Initial pressure drop \u003cstrong\u003e0.34″ w.g. at 400 FPM\u003c\/strong\u003e. Specify Type DL when the application demands longer changeout intervals, when the airstream carries heavier dust loading, or when the marginal cost of the upgraded media is worth fewer changeouts. \u003cstrong\u003e135-foot rolls\u003c\/strong\u003e, 12 width options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType DL200 (Dual-Layered Polyester, 90-foot Rolls):\u003c\/strong\u003e Same dual-layered polyester construction as Type DL but in \u003cstrong\u003e90-foot rolls\u003c\/strong\u003e (vs. 135-foot). 9 width options (8″ through 16″). The right pick when you need DL performance but a smaller roll volume per facility — useful for smaller properties, lower-volume changeout cycles, or storage-constrained installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSizing the sleeve to your wire frame\u003c\/h3\u003e\u003cp\u003eEach sleeve is identified by two dimensions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e SS, DL, or DL200 (see comparison above)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e Match to the wire frame width. Available widths range from \u003cstrong\u003e7″ through 30″\u003c\/strong\u003e on the SS line, \u003cstrong\u003e7″ through 30″\u003c\/strong\u003e on the DL line, and \u003cstrong\u003e8″ through 16″\u003c\/strong\u003e on the DL200 line. Roll length is \u003cstrong\u003e135 feet for SS and DL\u003c\/strong\u003e, or \u003cstrong\u003e90 feet for DL200\u003c\/strong\u003e. You cut the sleeve to the length you need from the roll — the roll feeds dozens to hundreds of changeouts per facility depending on filter size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote on availability:\u003c\/strong\u003e Not every width is available on every Type. The variant dropdown only shows real-world available combinations — if you don’t see your width on a particular Type, that combination isn’t cataloged. Try the other Type or \u003ca href=\"\/pages\/quote\"\u003erequest a quote\u003c\/a\u003e for unusual sizes.\u003c\/p\u003e\u003ch3\u003eDesign and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm factor:\u003c\/strong\u003e Continuous roll of sleeve media (135′ or 90′) — cut to length on site\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Polyester (Type SS) or dual-layered polyester (Type DL \/ DL200)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible frame:\u003c\/strong\u003e 9-gauge rust-resistant steel wire (Koch sells these separately, or compatible third-party frames work)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTackifier:\u003c\/strong\u003e No tackifier (sleeve media)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency rating:\u003c\/strong\u003e MERV 5 per ASHRAE Test Standard 52.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial pressure drop:\u003c\/strong\u003e 0.30″ w.g. at 400 FPM (Type SS); 0.34″ w.g. at 400 FPM (Type DL \/ DL200)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust holding capacity:\u003c\/strong\u003e 105 grams at 1.5″ w.g. (Type SS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference bulletins:\u003c\/strong\u003e Koch K-902 and K-892-6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold by the roll.\u003c\/strong\u003e One roll per order; multiple rolls can be ordered as separate quantities.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere slip-on sleeves are typically deployed\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHotel and motel PTAC units\u003c\/strong\u003e — the classic high-volume application; one roll services dozens of rooms across multiple changeouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan coil units\u003c\/strong\u003e in commercial buildings, condos, and apartments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHospital patient room AC units\u003c\/strong\u003e and clinical fan coil installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini-split and ductless A\/C indoor units\u003c\/strong\u003e with sleeve-compatible filter racks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMake-up air units\u003c\/strong\u003e and small commercial AHUs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement for fiberglass throwaway filters\u003c\/strong\u003e in any application where the wire frame can stay in place\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat MERV 5 captures\u003c\/h3\u003e\u003cp\u003eMERV 5 is a \u003cstrong\u003ebasic prefilter and equipment-protection efficiency\u003c\/strong\u003e — captures larger airborne dust, lint, and pollen. Suitable for protecting blowers, coils, and downstream filters from coarse particles in applications where a high-efficiency final filter isn’t required. Not appropriate as a final filter for healthcare clean spaces, high-IAQ applications, or anywhere MERV 8+ is specified.\u003c\/p\u003e\u003cp\u003eIf your application requires higher efficiency, see Koch’s standard Maxi-Grid Panel filters (MG200 through MG550, MERV 7 through MERV 11) or the Multi-Pleat line for pleated alternatives.\u003c\/p\u003e\u003ch3\u003eSizing and ordering notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm your wire frame width\u003c\/strong\u003e before ordering. Sleeve width must match the frame width — ordering a 12″ sleeve for a 14″ frame leaves the filter undersized and creates bypass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire frames sold separately.\u003c\/strong\u003e If you need replaceable wire frames in addition to the sleeve media, contact us for the matching Koch frame SKUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to length on site.\u003c\/strong\u003e Each roll feeds many filter changeouts; the media is cut to the length needed for each filter at install time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed a non-cataloged width or roll length?\u003c\/strong\u003e \u003ca href=\"\/pages\/quote\"\u003eRequest a quote\u003c\/a\u003e for unusual sizes or facility-scale orders.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koch","offers":[{"title":"Type SS \/ 7\" wide x 135' roll","offer_id":44118909321338,"sku":"115-731-007","price":282.55,"currency_code":"USD","in_stock":false},{"title":"Type SS \/ 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