Duux | The Flow of Comfort

Whisper Flex 2 Rear Grille Black: Replacement Guide

Whisper Flex 2 Rear Grille Black: Replacement Guide

By Duux | The Flow of Comfort | Published: 2026-10-23

Category: How-to Guides

Learn how to replace the rear grille on your Duux Whisper Flex 2 fan. This guide covers removing the old grille, fitting the new black grille, and reattaching the front grille.

Quick answer

You can replace the rear grille on your Duux Whisper Flex 2 fan in about 5 minutes. This guide walks you through removing the old grille, fitting the new Rear Grille Whisper Flex 2 (Smart) Black, and reattaching the front grille.

Why replace the rear grille?

The rear grille protects the fan blades and motor. Over time, it can crack or break, especially if the fan is moved frequently. A damaged grille can let dust and debris into the fan, affecting performance and noise levels.

The Rear Grille Whisper Flex 2 (Smart) Black is a direct replacement part for the Duux Whisper Flex 2 fan. It is supplied in black and is compatible with models DXCF70, DXCF80, and DXCF88. If your existing grille is damaged, replacing it with this part restores the fan's protection and appearance.

How to replace the rear grille

  1. Remove the front grille: The front grille is typically held in place by a locking ring or clips. Rotate the locking ring counterclockwise to release it, then lift the front grille away from the fan. Set it aside. Common mistake: Forgetting to unplug the fan before starting. Always disconnect the power first.
  2. Remove the fan blade: The fan blade is attached to the motor shaft by a small screw or a press-fit cap. If there is a screw, turn it counterclockwise with a suitable screwdriver. If it is a cap, pull it straight off. Slide the blade off the shaft. Checkpoint: Keep the screw or cap in a safe place; you will need it to reattach the blade later.
  3. Remove the old rear grille: The rear grille is usually secured by a large plastic nut or a locking ring behind the blade. Turn this nut counterclockwise to release the grille. Pull the grille straight off the motor housing. Common mistake: Forcing the grille if it feels stuck. Check for any remaining screws or clips.
  4. Fit the new rear grille: Align the new Rear Grille Whisper Flex 2 (Smart) Black with the mounting points on the motor housing. Press it into place, ensuring it sits flush. Secure it by tightening the large plastic nut clockwise until it is snug. Do not overtighten. Checkpoint: The grille should rotate slightly if not fully seated. Adjust until it sits flat.
  5. Reattach the fan blade and front grille: Slide the fan blade back onto the motor shaft. Secure it with the screw or cap you removed earlier. Place the front grille over the blade and lock it in place by rotating the locking ring clockwise. Final check: Rotate the blade by hand to ensure it spins freely without rubbing against the grilles.

Product facts

  • Rear Grille Whisper Flex 2 (Smart) Black: The Rear Grille Whisper Flex 2 (Smart) Black is a replacement rear grille for the Duux Whisper Flex 2 fan, supplied in black, and intended for use with compatible Whisper Flex 2 (Smart) models DXCF70, DXCF80, DXCF88. This ensures you get the correct fit and finish for your fan without needing to modify or adapt the part.
    Rear Grille Whisper Flex 2 (Smart) Black
    Rear Grille Whisper Flex 2 (Smart) Black

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