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Yes! The majority of Pro Light Mods are compatible with their corresponding Rapid Box Switch Fold-Flat modifiers,&#xA0;with exceptions for the 2x3 and 3x4 sizes.<h3 id="rapid-box-2x3">Rapid Box 2x3</h3>There are two versions of the Pro Light Mod 2x3, each designed for a specific Rapid Box model:<ul><li>Rapid Box Switch Fold-Flat 2x3 = <a href="https://www.fjwestcott.com/products/westcott-pro-light-mods-2x3-rapid-box-2-pack?_pos=1&amp;_sid=ec4c3eb60&amp;_ss=r&amp;variant=46659291873511" target="_blank" rel="noopener noreferrer">Pro Light Mod 2x3 (SKU:&#xA0;</a><a href="https://www.fjwestcott.com/products/westcott-pro-light-mods-2x3-rapid-box-2-pack?_pos=1&amp;_sid=ec4c3eb60&amp;_ss=r&amp;variant=46659291873511" target="_blank" rel="noopener noreferrer">2637</a><a href="https://www.fjwestcott.com/products/westcott-pro-light-mods-2x3-rapid-box-2-pack?_pos=1&amp;_sid=ec4c3eb60&amp;_ss=r&amp;variant=46659291873511" target="_blank" rel="noopener noreferrer">)</a></li><li>Original Rapid Box Switch 2x3 = <a href="https://www.fjwestcott.com/products/westcott-pro-light-mods-2x3-rapid-box-2-pack?_pos=1&amp;_sid=ef333de87&amp;_ss=r&amp;variant=46659291807975" target="_blank" rel="noopener noreferrer">Pro Light Mod 2x3 (SKU:&#xA0;2637RB)</a></li></ul>If you own the Rapid Box Switch Fold-Flat 2x3, be sure to select SKU 2637. The 2637RB version is designed for the original Rapid Box Switch and is not compatible with the Fold-Flat model.<h3 id="rapid-box-3x4">Rapid Box 3x4</h3><ul><li>Rapid Box Switch Fold-Flat 3x4 = No compatible Pro Light Mod at this time.</li></ul>Unfortunately, there is currently no compatible Pro Light Mod for the Rapid Box Switch Fold-Flat 3x4. The existing Pro Light Mod 3x4 is designed for the original Rapid Box Switch 3x4 only.<ul><li><a href="https://www.fjwestcott.com/collections/pro-light-mods" target="_blank" rel="noopener noreferrer">Explore the Pro Light Mod line</a></li></ul>

Yes! The majority of Pro Light Mods are compatible with their corresponding Rapid Box Switch Fold-Flat modifiers, with exceptions for the 2x3 and 3x4 sizes. There are two versions of the Pro Light Mod 2x3, each designed for a specific Rapid Box model

Will the Pro Light Mods work with the Rapid Box Switch Fold-Flat?

Product FAQ

Rapid Box Switch Fold-Flat Softboxes

Using the Westcott Studio Link App

LED Constant vs. Flash: Differences And How to Choose

General FAQ's

Stroboscopic Mode

Creative Mask Mode: Quick Setup & Usage

What Is X-Sync?

Important Update on Canon RT Compatibility in the FJ Wireless Flash System

Firmware Compatible with Canon RT

Guide Numbers - Calculating, Charts and Overview

Fractional and Watt Second Equivalents for Power levels 1-9

What is the Inverse Square Law?

What Are the Required In-Camera Settings for FJ Triggers and Speed Lights?

Battery Care and Information

Trigger TTL Adjustments Not Showing up on Strobe Screen. TTL to Manual

What Can Affect Wireless Connections?

What are the 3 Arrows on my Trigger, Strobe, and Speedlight?

Mechanical or Electronic 1st Curtain?

FJ Flashes wont go over +3 in TTL

Caring for Lithium-Ion Rechargeable Batteries

What is TTL to M and How do you use it?

Speedlight or a Strobe?

Connecting Flashes Wirelessly

What is Freeze Function?

Using FJ Gear with Canon RT Speedlites: Setup and Tips

Locking Settings on FJ Gear

Why are TTL Compensation Levels Different on the FJ Trigger and FJ Strobe?

​​​​Achieving Consistent Exposures

Trouble Shooting FJ Wireless Gear

Maximizing the Lifespan of Your Lithium Polymer FJ Batteries.

Firmware is Different Triggers and Strobes

How will HSS Settings Affect The Flash Output?

Field Guide: FJ Wireless Flash & Sony a9 III Compatibility Settings

Top Factors Affecting Wireless Communication

Sony Camera Compatibility and Setup For FJ Wireless

FJ Strobes with High-Speed Continuous Shooting

Properly Connecting FJ Gear to Your Camera (HSS and TTL)

What is the Suggested White Balance When Using the FJ System?

FJ Wireless General FAQs

FJ Speedlights (FJ100, FJ80 II, FJ80 SE)

FJ Strobes (FJ800, FJ400 II, FJ400-SE, FJ400, FJ250, FJ200, FJ100)

FJ Triggers (T1, X3, X2)

Troubleshooting FJ Wireless Gear

Optically Triggering FJ100 Strobe, FJ250, FJ400 II and FJ800

Factory Resetting The FJ100 Strobe, FJ250, FJ400 II and FJ800

Updating Firmware on the FJ400 II and FJ800

How to Charge While Shooting With the FJ100 Strobe, FJ250, FJ400 II and FJ800

What Modifiers can I use With the FJ100 Strobe, FJ250, FJ400 II and FJ800

What Batteries can be Used With the FJ100 Strobe, FJ250, FJ400 II and FJ800?

Replacing the Flash Tube on the FJ400, FJ250, FJ400 II and FJ800 Strobes

FJ100 Strobe, FJ250, FJ400 II and FJ800 FAQ

What's The Difference Between the FJ400 II and FJ400-SE?

Optical Triggering: FJ400 SE

What Modifiers can I use With the FJ400-SE

Understanding Fast and Stable Recycle Modes on the FJ400-SE

FJ400-SE FAQ

Optical Triggering: FJ400

Factory Resetting Your FJ400

Updating Firmware on the FJ400

How to use AC Power With the FJ400

What Modifiers can I use With the FJ400

What Radio Triggers can be Used With the FJ400?

FJ400 Strobe Recycle Time and Battery Impact

How to Maximize FJ400 Battery Flashes

Why is the FJ400 Flash Tube Extended Out?

FJ400 FAQ

Optical Triggering: FJ200

Factory Resetting The FJ200

Updating Firmware on the FJ200

Replacing the Flash Tube on the FJ200 Strobe

FJ200 FAQ

Factory Resetting Your FJ80

Updating Firmware on FJ80 Speedlights

What is the Zoom Range of the FJ80?

FJ80 Speedlight overheating?

FJ Speedlights FAQ

Factory Resetting FJ Triggers

Updating Firmware on FJ Triggers

How to Know if the FJ-X2m Trigger is Charging?

Factors Affecting FJ-X2m Trigger Battery Life & Flash Count

What Cameras can the FJ-X2m Trigger be Used on?

Using the FJ-T1 Trigger

FJ Triggers FAQ

FJ Wireless Flash System

What is included with the Rapid Box Switch Fold-Flat Softbox?

Which lights work with the included Bowens Switch Insert?

Can I use the Rapid Box Switch with other lighting systems?

Do original Rapid Box Switch Inserts work with the new Fold-Flat Softboxes?

Are original Rapid Box Switch grids and accessories compatible?

Can I use Westcott FlexiGels with the new design?

Can the softbox be collapsed with the grid or diffusion panels attached?

How to use a speedlight with the Rapid Box Switch Fold-Flat Softboxes

What are the rear handles used for on the Rapid Box Switch Fold-Flat Softboxes?

What are the support rods made from on the Rapid Box Switch Fold-Flat Softboxes?

What is the rear access zipper for on the Rapid Box Switch Fold-Flat Softboxes?

Will the 2' Octa fit inside a Westcott Lite Traveler Backpack?

How do I Attach the Ice Light 3 Battery Handle?

What USB-C ports are on the Ice Light 3?

What Mounting Options Does The Ice Light 3 Provide?

How do I Attach the Ice Light 3 Barn Doors?

What are the Main Menu Sections on the Ice Light 3?

What is Blackout and Standby Mode on the Ice Light 3?

How do I Connect my Ice Light 3 to the StudioLink Mobile app?

Failed to Update Firmware / Ice Light 3 Will Not Turn On

Charging Indicators for the Ice Light 3

Ice Light 3

Connecting the L60-B and L120-B to the Westcott StudioLink App

What are the Different Light Effects?

Battery Run Times L Series LED Lights

What Modifiers can be Used With the L60-B?

What Modifiers can be Used With the L120-B?

COB vs Panel LED

L series LED

Are the X-Drop and X‑Drop Pro Suitable for Outdoor use?

How Many People fit Within the X-Drop and X-Drop Pro?

What is the Footprint of the X-Drop and X-Drop Pro?

How Easy is it to Set Up and X-Drop

What Backdrops can be Used with the X-Drop and X-Drop Pro?

How to Attach the 5x7 Canvas Backdrop onto the X-Drop Pro

X-Drop Pro is not Locking Into the 8x8 Position

X-Drop and X-Drop Pro

Do Switch Inserts allow the rectangular Rapid Box Switch modifiers to rotate?

Can I use multiple speedlites with Rapid Box Switch modifiers?

Can the original Rapid Boxes be modified to make them “Switch” versions?

Rapid Box Switches: Assembly and Use

How to Open Your Rapid Box Switch Fold-Flat Softbox

Rapid Box & Beauty Dish Switch

FlexiGels Vivid - Color And Exposure

FlexiGels Vivid

Using Other Batteries with the Gold Mount Adapters

Lifetime Limited Warranty on Flex LED Mats

Westcott Flex LED X-Bracket Kit Overview

How Many Watts of Power do the Flex Units Use?

What is the Lux Rating on Flex Units?

How Bright is the Flex Compared to a 500-watt Tungsten Light?

Is There a Grid Available for the Original Flex Modifiers?

Are There Compatible Soft Boxes for the Flex Lights?

Can I buy Extra Dimmer Units Separately From the Flex Kit?

Flex/Flex Cine LED System

How Much Weight Can The Easy Boom Handle?

What Stand Should Be Used With The Easy Boom?

How to Balance The Easy Boom

What is the Easy Boom Best Used For?

Easy Boom

Why don’t my colors change on my image in-camera when I adjust the color temperature of the Ring Light?

How far from my subject should I place the Ring Light?

Why is the light from my Ring Light so flat?

Ring Light Bi-Color LED

Where do I find the dimensions of the Westcott Umbrellas? Does the size reflect the Arc or the diameter of the Umbrella?

How to Put a Parabolic Umbrella in a Case

Can the Triple Threat be used with the 7' Parabolic Umbrella?

Does the 7' Parabolic Umbrella fit into a regular umbrella mount or will I need a special adapter?

Would using one off-camera speedlite provide enough light for a 7' Parabolic Umbrella?

What is the size of the Collapsible Umbrella's shaft?

What is the collapsed length and width of the Collapsible Umbrella?

Umbrellas

Scrim Jim Cine Light Control System: Book Light Configurations

Dual-Joint Tilter Bracket

Is the Scrim Jim Cine Fabric silent?

How do I clean Westcott diffusion fabrics (for softboxes, scrims, etc)?

What is the best solution for transporting Scrim Jim Cine Kits and C-stands on-location?

Do the Scrim Jim Cine's net fabrics create a pattern on a subject when placed between a light source and subject?

Can the original Scrim Jim fabric be used on the new Scrim Jim Cine frames (and vice versa)?

Grid Cloth vs Super Silk vs Standard Diffusion

Scrim Jim Cine

How to Collapse or Fold Down the Omega Reflector

How to Setup the LunaGrip Speedlight Modifier

What does the lifetime warranty cover on Illuminator Reflectors?

What is the difference between the 4-in-1, 5-in-1, and 6-in-1 Reflector Kits?

What options are available for mounting reflectors?

What is the difference between a 1-stop and 2-stop diffuser?

Is the silver surface of the reflector shiny or dull?

Will a black reflector reflect light?

Does a reflector arm require a stand?

How small will a collapsible reflector fold down?

Does the 6-in-1 Reflector Kit have 1 or 2 panels?

Does the 6-in-1 Reflector Kit contain a white reflector?

What Size Reflector Should I use?

Reflectors

Eyelighter 3 Assembly

Positioning & Lighting

Eyelighter 3

Can I exchange/switch the flags for different ones than what are included in the Fast Flag Kit?

Will additional flags and frames fit in the carry case that comes with the Flag kit?

Can I purchase extra Fast Flag frames?

Fast Flags

Wrinkle-Resistant Background Use and Care

Do the individually sold X-drops come with a carry bag like the one that is included in the kit?

My Collapsible Backdrop's frame is warped. Can it be readjusted?

What color background would you suggest for a wedding?

I have backdrop system that is not from Westcott. Can Westcott Wrinkle Resistant Backdrops be hung with it?

What is the best way to store a Muslin Backdrop?

Do Wrinkle Resistant Solid backdrops come with a case?

How do I clean Wrinkle Resistant Backdrops?

If I combine multiple crossbars together, can I extend the length of the Background Support System?

Backdrops (Fabric)

Will the Pro Light Mods work with the Rapid Box Switch Fold-Flat?Updated an hour ago

Rapid Box 2x3

Rapid Box 3x4