{"product_id":"lippert-8800-rv-window-vertical-slider-square-corner-18-22-kit","title":"Lippert 8800 RV Window | Vertical Slider Square Corner | 18\"×22\" | Kit","description":"\u003cp\u003eReplace or add a vertical slider RV window with the \u003cstrong\u003eLippert 8800 Series RV Window — Vertical Slider, Square Corner Frame, 18\" × 22\"\u003c\/strong\u003e. Complete replacement kit with tempered tinted glass, aluminum corrosion-resistant frame, integrated water weep system, and everything you need for installation. Proudly cut, tempered, and assembled in Indiana.\u003c\/p\u003e\n\n\u003ch3\u003eVertical Slider Design\u003c\/h3\u003e\n\u003cp\u003eVertical sliding operation — the window slides open vertically for ventilation without protruding outside the RV or requiring cabin swing clearance. Includes a \u003cstrong\u003efine mesh screen to keep insects out\u003c\/strong\u003e while allowing airflow.\u003c\/p\u003e\n\n\u003ch3\u003eSquare Corner Frame Style\u003c\/h3\u003e\n\u003cp\u003eThis is the \u003cstrong\u003esquare corner frame\u003c\/strong\u003e variant — a cleaner, more angular aesthetic used in specific RV builds. If your existing installation uses rounded corners instead, see the radius frame variant.\u003c\/p\u003e\n\n\u003ch3\u003eHeavy-Duty Construction Built to Last\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTempered glass\u003c\/strong\u003e — resists cracking, chipping, and shattering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTinted glass\u003c\/strong\u003e — blocks sunlight, reduces heat, and enhances privacy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum frame\u003c\/strong\u003e — resists corrosion and extends window lifespan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLatching mechanism and sealing gaskets\u003c\/strong\u003e keep your RV secure and dry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in water weep system\u003c\/strong\u003e directs water away from the window\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnergy Efficiency Benefit\u003c\/h3\u003e\n\u003cp\u003eTinted glass and quality seals help maintain comfortable interior temperatures — \u003cstrong\u003ereduces reliance on heating and cooling\u003c\/strong\u003e, saving energy and costs.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Sizing — Rough Opening vs Actual Window\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRough opening:\u003c\/strong\u003e 18\" × 22\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActual window:\u003c\/strong\u003e approximately 3\/8\" smaller in both directions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Wall Thickness Requirement\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWith the included trim ring:\u003c\/strong\u003e 0.75\" or 1.5\"\u003cbr\u003e\n\u003cstrong\u003eWith existing trim ring:\u003c\/strong\u003e 0.5\" to 3\"\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e(1) Lippert 8800 Series Vertical Slider window (square corner)\u003c\/li\u003e\n  \u003cli\u003eBlack trim ring\u003c\/li\u003e\n  \u003cli\u003eMounting screws\u003c\/li\u003e\n  \u003cli\u003eFoam seal\u003c\/li\u003e\n  \u003cli\u003eIntegrated mesh insect screen\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSold Separately:\u003c\/strong\u003e Window sealant.\u003c\/p\u003e\n\n\u003ch3\u003eOther Sizes in Vertical Slider Square Corner\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e18\" × 22\" (this listing)\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/thervsurplus.com\/products\/lippert-8800-rv-window-vertical-slider-square-corner-18-24-kit\"\u003eLippert 8800 Vertical Slider Square Corner — 18\" × 24\"\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSame Size in a Different Style?\u003c\/h3\u003e\n\u003cp\u003eThe 18\" × 22\" opening is also available in other Lippert 8800 window styles:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/thervsurplus.com\/products\/lippert-8800-rv-window-horizontal-slider-radius-18-22-kit\"\u003eLippert 8800 Horizontal Slider — 18\" × 22\" (radius frame)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/thervsurplus.com\/products\/lippert-8800-rv-window-vertical-slider-radius-18-22-kit\"\u003eLippert 8800 Vertical Slider — 18\" × 22\" (radius frame)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMatch your existing frame style and slider orientation to your installation for a seamless replacement.\u003c\/p\u003e\n\n\u003ch3\u003eProudly Made in Indiana\u003c\/h3\u003e\n\u003cp\u003eCut, tempered, and assembled in Indiana.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Professional Installation Recommended\u003c\/h3\u003e\n\u003cp\u003eRV window installation involves working with the exterior wall, weather sealing (sealant sold separately), and trim integration. Installation should be performed by a \u003cstrong\u003equalified RV service technician\u003c\/strong\u003e unless you have prior experience with RV window installation.\u003c\/p\u003e\n\n\u003ch3\u003e1-Year Lippert Manufacturer Warranty\u003c\/h3\u003e\n\n\u003ch3\u003eGenuine Lippert 8800 Series\u003c\/h3\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Lippert 8800 Series\u003c\/strong\u003e RV window\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVertical slider\u003c\/strong\u003e operation with fine mesh insect screen\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSquare corner frame\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTempered tinted glass\u003c\/strong\u003e — safety + heat\/sunlight blocking + privacy\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eAluminum corrosion-resistant frame\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBuilt-in water weep system\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eLatching mechanism + sealing gaskets\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRough opening:\u003c\/strong\u003e 18\" × 22\" (actual window ~3\/8\" smaller both dimensions)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall thickness compatibility:\u003c\/strong\u003e 0.75\" or 1.5\" (with included trim ring); 0.5\"-3\" (using existing trim ring)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete kit includes:\u003c\/strong\u003e Window, black trim ring, mounting screws, foam seal, insect screen\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSealant sold separately\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Indiana\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003eAlso available in 18\" × 24\" square corner and 18\" × 22\" radius (horizontal + vertical)\u003c\/li\u003e\n  \u003cli\u003eBacked by 1-year Lippert manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Lippert\u003c\/li\u003e\n  \u003cli\u003eSeries: 8800\u003c\/li\u003e\n  \u003cli\u003eType: Vertical Slider RV Window\u003c\/li\u003e\n  \u003cli\u003eFrame Style: Square Corner\u003c\/li\u003e\n  \u003cli\u003eRough Opening: 18\" × 22\"\u003c\/li\u003e\n  \u003cli\u003eActual Window Dimensions: Approximately 3\/8\" smaller in both directions\u003c\/li\u003e\n  \u003cli\u003eGlass: Tempered, tinted\u003c\/li\u003e\n  \u003cli\u003eFrame Material: Aluminum (corrosion-resistant)\u003c\/li\u003e\n  \u003cli\u003eTrim Ring: Black (included)\u003c\/li\u003e\n  \u003cli\u003eInsect Screen: Fine mesh (included)\u003c\/li\u003e\n  \u003cli\u003eWater Management: Built-in weep system\u003c\/li\u003e\n  \u003cli\u003eWall Thickness (Included Trim Ring): 0.75\" or 1.5\"\u003c\/li\u003e\n  \u003cli\u003eWall Thickness (Existing Trim Ring): 0.5\" to 3\"\u003c\/li\u003e\n  \u003cli\u003eIncludes: Window, trim ring, mounting screws, foam seal, insect screen\u003c\/li\u003e\n  \u003cli\u003eNOT Included: Window sealant (sold separately)\u003c\/li\u003e\n  \u003cli\u003eCountry of Origin: Indiana, USA\u003c\/li\u003e\n  \u003cli\u003eSame-Style Size Options (Vertical Slider Square Corner): 18×22, 18×24\u003c\/li\u003e\n  \u003cli\u003eSame-Size Alternates: Horizontal Slider Radius 18×22, Vertical Slider Radius 18×22\u003c\/li\u003e\n  \u003cli\u003eWarranty: 1-year Lippert manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lippert","offers":[{"title":"Default Title","offer_id":58235498561839,"sku":null,"price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/2025069052_Lippert_Lippert8800SeriesRVWindow18Wx22HVerticalSliderSquareCorner202_0_1_1.webp?v=1784661991","url":"https:\/\/thervsurplus.com\/products\/lippert-8800-rv-window-vertical-slider-square-corner-18-22-kit","provider":"The RV Surplus","version":"1.0","type":"link"}