• BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms
  • BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms
  • BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms
  • BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms
  • BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms
  • BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms
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BudBox Pro XL & XL-HL Grow Tents | 1.2m x 1.2m Professional Hydroponic Rooms

£154.95
£154.95
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Lining: Mylar
Height: 2 Metre
The BudBox Pro XL and XL-HL (High Line) grow tents deliver an industry-standard, heavy-duty cultivation environment across the universally popular 120cm x 120cm (4' x 4') footprint. Engineered for high-yield indoor growers who require a robust square layout, these premium setups easily accommodate heavy single-fixture commercial arrays over a full 1.44-square-metre floor space. Whether choosing the standard 200cm profile or the extra vertical clearance of the 220cm High Line (HL) version, these industrial-grade systems deliver the structural strength, optimized ventilation access, and thermal control required for heavy commercial equipment setups.
High-Performance Interior Lining Options
  • Pro White Lining: Features an industry-leading PAR-reflective polymer coating. It diffuses light evenly across the plant canopy while significantly minimizing heat retention within the grow space.
  • Silver Mylar Lining: Uses multi-layered, highly reflective textured silver material to aggressively bounce raw lumens back toward the lower branches to maximize crop density.
Uncompromising Heavy-Duty Engineering:
Square indoor grow environments demand a rugged structural framework to support heavy extraction systems and commercial fixtures safely:
  • 25mm Tempered Steel Poles: Heavy-gauge, powder-coated metal framing components resist buckling, bending, or snapping under heavy hanging loads.
  • All-Metal Corner Connectors: Precision-engineered push-and-click locking hardware ensures the 1.2m x 1.2m framework stays completely square, rigid, and stable.
  • Panoramic 4-Door Access: Designed with 2 x Front main doors (featuring quick-release door clips) and 2 x Side access doors for effortless perimeter plant care across every section of the footprint.
  • Full-Access Zipper Design: The canvas unzips completely from the frame components, making initial setup, breakdown, and comprehensive cleaning between cycles fast and simple.
Model Performance Specifications:
Feature BudBox Pro XL BudBox Pro XL-HL
Footprint Dimensions 120cm x 120cm x 200cm (4' x 4' x 6'4") 120cm x 120cm x 220cm (4' x 4' x 7'4")
Total Internal Volume 2.88 Cubic Metres 3.17 Cubic Metres
Interior Finish Options High-PAR White Polymer / Silver Mylar High-PAR White Polymer / Silver Mylar
Frame Thickness 25mm powder-coated steel 25mm powder-coated steel
Structural Fittings All-metal push/click connectors All-metal push/click connectors
Access Openings 2x Front main doors, 2x Side access doors 2x Front main doors, 2x Side access doors
Ventilation Extraction Socks 2 x 275mm ports (20% oversized) 2 x 275mm ports (20% oversized)
Air Circulation Ports 2 x 225mm ports (20% oversized) 2 x 225mm ports (20% oversized)
Electrical Cable Entries 2 x 100mm double-cuff ports 2 x 100mm double-cuff ports
Passive Fresh Air Intake 2x Micro-mesh screened passive vents 2x Micro-mesh screened passive vents
Irrigation Ports 2x Ground level ports & 1x Uplift bar 2x Ground level ports & 1x Uplift bar
Canopy Inspection Window 1x Green night-vision viewing window 1x Green night-vision viewing window
Spill Protection Tray 1x Heavy-duty removable waterproof liner 1x Heavy-duty removable waterproof liner

Advanced Environmental & Plumbing Integration:
1. Heavy-Duty Port Matrix
The XL series features a premium ventilation infrastructure with 20% oversized, double-cuff socks to ensure completely airtight and lightproof connections around all system lines:
  • Extraction & Air Circulation Ports: Features 2 x 275mm ports and 2 x 225mm ports to accommodate efficient extraction paths, active intake configurations, and cooling lines.
  • Electrical & Control Porting: 2 x 100mm double-cuff ports cleanly route power cables, climate sensors, and automation lines without light leaks.
  • Enhanced Passive Intake: 2 x Micro-mesh screened passive vents allow smooth, non-restrictive fresh air draws while keeping dust and pests completely out of your garden.
2. Hydroponic Plumbing Ready
Equipped with 2 x Dedicated irrigation ports and a built-in Uplift irrigation bar, allowing you to feed automated drip, flood, or run-to-waste lines flush along the floor without creating pipe kinks or fluid backflow hazards.

Included Support & Hanging Hardware:
  • 3 x Rigid Roof Hanging Bars: Engineered to distribute heavy charcoal filter and heavy fixture weights evenly across the 25mm steel roof frame.
  • 6 x Silicone Pads for Roof Bars: Prevents metal-on-metal friction and effectively dampens internal equipment vibrations.
  • 3 x Heavy-Duty Hanging Straps: Included in the box for immediate hanging installation of your ventilation and filtration gear.
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View Product Details

The Classic 4x4 Grow Tent, Built the BudBox Way

Create a controlled, high-performance indoor growing environment with the BudBox Pro XL, one of the most versatile 120 x 120cm grow tent sizes for hobby and experienced growers alike.

Offering 1.44m² of usable growing space, the XL is available in a standard 200cm height or as the 220cm XL-HL, giving you valuable extra headroom for taller plants, lighting, carbon filters and extraction equipment.

A heavy-duty 25mm steel frame with all-metal push-and-click connectors provides a strong foundation for your setup, while four access doors, oversized ventilation ports and dedicated irrigation access give you the flexibility to configure your grow space around your equipment.

Available with Pro White or Silver Mylar interiors, the BudBox Pro XL combines excellent light management, practical access and professional grow-room features in the ever-popular 4x4 footprint.

SHOP BUDBOX PRO XL

Frequently Asked Questions

The BudBox Pro XL has a 120 x 120cm (approximately 4 x 4ft) footprint, providing 1.44m² of growing space. The standard XL measures 200cm high, while the XL-HL increases the height to 220cm.

Both models have the same 120 x 120cm footprint. The standard XL measures 200cm high, while the HighLine XL-HL measures 220cm high. The additional 20cm provides more clearance for taller plants, lighting, carbon filters and other overhead equipment.

Both options provide a highly reflective indoor growing environment. BudBox Pro White is designed for industry-leading PAR reflectivity and effective light distribution, while Silver Mylar provides the traditional highly reflective grow-tent finish. Choose the lining that best suits your lighting and grow-room setup.

The BudBox Pro XL uses heavy-duty 25mm frame poles with all-metal push-and-click connectors. Three rigid roof hanging bars, six silicone pads and three hanging straps provide a strong and practical setup for positioning lighting, extraction and filtration equipment.

The XL features two main front doors and two side access doors. This four-door design makes it easy to reach different areas of the 120 x 120cm grow space for plant care, maintenance and equipment adjustments.

Both the XL and XL-HL feature two 275mm ports, two 225mm ports and two 100mm utility ports. The oversized, double-cuffed design provides flexible options for extraction, intake, ducting, cables and environmental controls.

Yes. The XL includes two dedicated irrigation ports and an uplift irrigation bar, making it easier to route hydroponic or automated irrigation lines into the tent while keeping the growing area clear and organised.

The BudBox Pro XL includes three roof hanging bars, six silicone pads, three hanging straps, two micro-mesh screened passive vents, a removable drip tray and a night-vision viewing window. It also features double-stitched seams, main door clips, double-cuff vents and canvas that completely unzips for easier setup, cleaning and dismantling.