@media (max-width:767px){ .dd-swipe-hint{display:block !important;} .dd-card-row{flex-wrap:nowrap !important;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;} .dd-card-row::-webkit-scrollbar{display:none;} .dd-card-row > div{flex:0 0 82% !important;scroll-snap-align:center;} } details > summary span{transition:transform 0.2s ease;display:inline-block;} details[open] > summary span{transform:rotate(90deg);} details[open] > div{display:block !important;} The Vent That Stacks Into Your Island — Not Just Onto It A block-style stackable vent that integrates cleanly into outdoor kitchen island builds with an 8" × 4⅞" × 4" cutout — ventilation that fits the way your island is actually built. Standard flat vents work — but the Vent-Gbox is designed for builders who want ventilation that disappears into the island rather than just covering a hole in the face. The stackable, block-style format drops into an 8" × 4⅞" × 4" cutout and sits flush with the build, giving you a cleaner result without disrupting the island's design lines. Made from 304 stainless steel, it handles outdoor exposure and the heat that comes with enclosed gas appliance cavities. Whether you're working with natural gas or liquid propane, the Vent-Gbox gives you a ventilation solution that fits the way outdoor kitchens are actually built. Free Shipping Easy Returns Price Match Guarantee What's Included in the Box› Sunstone Vent-Gbox Sunstone Vent-Gbox — 304 stainless steel stackable vent block Mounting hardware included (pre-drilled holes) Deep Dive — Stackable Block Ventilation› What Makes the Gbox Different from a Standard Flat Vent A flat vent panel mounts flush against the island face and covers a cutout. The Vent-Gbox is a block-style unit — it installs into the cutout opening with depth (8" W × 4⅞" H × 4" D), integrating into the island construction rather than just sitting on the surface. The stackable format is designed to work with the way modular outdoor kitchen islands are assembled, giving you a cleaner, more deliberate ventilation solution. Natural Gas vs. Liquid Propane — Vent Position Matters Where you install your vent depends on the fuel type. Natural gas is lighter than air and rises, so vents for NG setups should be positioned as high as possible on the island. Liquid propane is heavier than air and sinks, so LP vents should be placed as low as possible. The Vent-Gbox supports both gas types when positioned correctly. Why Ventilation Is Non-Negotiable with Gas Appliances Gas grills and appliances installed inside enclosed island cavities trap heat below the counter. Unlike indoor cooktops where the flame sits above the surface, built-in island appliances push heat into an enclosed space. Without proper ventilation, that buildup increases fire risk. The Vent-Gbox helps heat escape and keeps air moving through the cavity during operation. Who It's For — The Deck & Den Take› The Vent-Gbox is for builders who care how the finished island looks, not just whether it's vented. If you're doing a modular build and a flat vent panel feels like an afterthought bolted to the side, the block-style format here is worth it — it integrates into the structure rather than sitting on top of it. If you just need functional ventilation and aesthetics aren't a priority, the flat Vent-L does the same job for less. One thing to keep in mind: vent position matters with gas type. Natural gas rises, so install high; propane sinks, so install low. Get that right from the start and you won't need to cut a second hole later. Builders constructing modular or custom outdoor kitchen islands who want ventilation that integrates cleanly with the build Anyone using natural gas or liquid propane appliances in an enclosed island who needs a proper ventilation strategy Contractors and DIY builders working with Sunstone island components who want a matched, stackable vent solution Full Specifications & Dimensions› Sunstone Vent-Gbox Specifications Model Number Vent-Gbox Material 304 Stainless Steel Product Type Stackable vent block Overall Dimensions (W × H × D) 9" × 6" × 4" Cutout Size (W × H × D) 8" × 4⅞" × 4" Weight 2 lbs Compatible Fuel Types Natural Gas (NG), Liquid Propane (LP) Intended Use Outdoor kitchen island ventilation for gas appliance installations Warranty, Shipping & Returns› Warranty: Covered by Sunstone's 3-year limited warranty against defects in material and workmanship from the original date of purchase, honored directly by the manufacturer. Free Shipping: View our free shipping policy Returns: View our return policy Price Match: View our price match guarantee Manuals & Documents› Sunstone Full Product Catalog (2024) Frequently Asked Questions› What are the cutout dimensions for the Sunstone Vent-Gbox? › The Vent-Gbox requires a cutout of 8" wide × 4⅞" tall × 4" deep. These are the opening dimensions you'll need to cut into the island face before installing the vent block. How is the Vent-Gbox different from the Sunstone Vent-L flat panel? › The Vent-L is a flat panel that mounts flush to the island face over a cutout. The Vent-Gbox is a block-style unit with depth (4" D) that installs into the cutout opening and integrates into the island construction. The stackable format is designed for builders who want ventilation that sits within the build rather than on the surface. Does the Vent-Gbox work with natural gas and liquid propane? › Yes — the Vent-Gbox is intended for use with both Natural Gas (NG) and Liquid Propane (LP) island setups. Vent position matters: natural gas is lighter than air and rises, so NG vents should be installed as high as possible on the island. Propane is heavier than air and sinks, so LP vents should be installed as low as possible. What does "stackable" mean — can I stack multiple Vent-Gbox units? › Yes — the Vent-Gbox stacks just like a masonry block, and multiple units can be combined to increase total vented area, which is useful in larger island installations. It works in both masonry (stone, brick) and frame-built islands. Sunstone recommends installing a minimum of two vents per island — one at the top and one at the bottom — to ensure proper airflow through the cavity. What material is the Vent-Gbox made from? › 304 stainless steel — the same grade used throughout Sunstone's outdoor kitchen line. It resists corrosion in outdoor environments and cleans easily. Is mounting hardware included with the Vent-Gbox? › Yes — the Vent-Gbox comes with pre-drilled holes and mounting hardware included for installation. Can the Vent-Gbox be added to an existing island, or is it only for new builds? › The Vent-Gbox is designed to integrate into a cutout opening, which means it can be retrofitted into an existing island as long as you can cut the required 8" × 4⅞" × 4" opening into the island face. What is the warranty on the Sunstone Vent-Gbox? › The Vent-Gbox is covered by Sunstone's 3-year limited warranty against defects in material and workmanship from the original date of purchase, honored directly by the manufacturer. Does Deck & Den offer free shipping on the Vent-Gbox? › Yes. Free shipping is available. See our free shipping policy for full details.
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