---
product_id: 492297504
title: "Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black"
brand: "ketofa"
price: "317 Lei"
currency: RON
in_stock: true
reviews_count: 7
category: "Ketofa"
url: https://www.desertcart.ro/products/492297504-lumbar-support-pad-replacement-for-herman-miller-classic-aeron-chair
store_origin: RO
region: Romania
---

# 4.5" vertical adjustability Tool-free, slide-in installation Premium foam resists flattening Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black

**Brand:** ketofa
**Price:** 317 Lei
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your sit game—because your back deserves the best support!

## Quick Answers

- **What is this?** Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black by ketofa
- **How much does it cost?** 317 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/492297504-lumbar-support-pad-replacement-for-herman-miller-classic-aeron-chair)

## Best For

- ketofa enthusiasts

## Why This Product

- Trusted ketofa brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** No tools or complicated steps—just slide it into your Aeron chair’s track and feel the difference instantly.
- • **Wide Compatibility:** Fits Classic Aeron Chairs Size B, stools, and side chairs—upgrade your workspace with confidence.
- • **Durable Premium Foam:** Engineered to maintain firmness over time, ensuring lasting lumbar support without sagging.
- • **Customizable Comfort Fit:** Adjusts vertically 4.5" and flips for two depth settings to perfectly align your spine.
- • **Ergonomic Posture Support:** Designed to reduce back, neck, and shoulder strain for those long workdays or creative sessions.

## Overview

This medium-sized Lumbar Support Pad by Ketofa is a premium replacement designed specifically for Classic Herman Miller Aeron Chairs Size B and compatible models. It offers 4.5 inches of vertical adjustability and two depth settings for personalized ergonomic support. Made with durable foam that resists flattening, it installs easily without tools by sliding into the chair’s track. Ideal for professionals seeking enhanced posture alignment and comfort during extended sitting periods.

## Description

Product description Pad adjusts vertically 4 1/2" while depth can be set at 3/4" or 1 1/4" by sliding the lumbar pad off and flipping it around Compatible with Classic Aeron Chairs (Sizes A, B, and C), Classic Aeron Stools, and Classic Aeron Side Chairs Size "A" - small, Size "B" - medium, Size "C" - large Safety Warning Ensure proper installation and use within the chair's weight capacity to avoid injury.

Review: Bending and flying away when got some pressure - After two months of usage the connection points are bending and flying away when you sit. I bought this by thinking desertcart is the seller but it is not different from the ones cheap fakes
Review: Just pops off the rails immediately - This worked for about a day, but since then it's been unusable as the clips don't hold it on to the rail. When I lean back it just pops off and falls on the floor.

## Features

- ✅Product Instruction: Lumbar Support Pad For Herman Miller Aeron Chair Size B.
- ✅Compatible with: Classic Sizes B Aeron Chairs, Classic Aeron Stools, and Classic Aeron Side Chairs, can't fit the remastered aeron.
- ✅Easy To Install: Installing this lumbar attachment on your chair is quick and easy. Just slide it into the track at the back of the chair and you're done! No complicated setups or tools required!
- ✅Good Quality: Inside this lumbar wedge for your compatible Herman Miller Chair are premium quality materials. It stays firm for a long time and won't easily flatten even with regular use.The product is not sponsored or endorsed by,or affiliated with the brands it fit,including Herman Miller Aeron.
- ✅Provide Comfort : The ergonomic design of this lumbar cushion pad helps maintain proper sitting posture and spine alignment. This in turn helps to prevent back, shoulder, and neck strainand relief numbness of your back.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09NQ3YSBB |
| Best Sellers Rank | 777,713 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 1,602 in Desk Chairs |
| Brand | Ketofa |
| Colour | Black |
| Customer Reviews | 3.8 3.8 out of 5 stars (135) |
| Date First Available | 16 Dec. 2021 |
| Item Weight | 299 g |
| Material | Foam |
| Model Number | 20AUS0164 |
| Product Dimensions | 30 x 11 x 5.5 cm; 299 g |
| Special Features | Premium |

## Product Details

- **Brand:** Ketofa
- **Colour:** Black
- **Fill material:** Foam
- **Size:** M
- **Special feature:** Premium

## Images

![Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black - Image 1](https://m.media-amazon.com/images/I/71Hp6NkfXkL.jpg)
![Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black - Image 2](https://m.media-amazon.com/images/I/71EiOgSnliL.jpg)
![Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black - Image 3](https://m.media-amazon.com/images/I/61WdxDYCoLL.jpg)
![Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black - Image 4](https://m.media-amazon.com/images/I/71nRhk1Ht-L.jpg)
![Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black - Image 5](https://m.media-amazon.com/images/I/71KJ95bgI3L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐ Bending and flying away when got some pressure
*by G***M on 30 July 2025*

After two months of usage the connection points are bending and flying away when you sit. I bought this by thinking Amazon is the seller but it is not different from the ones cheap fakes

### ⭐ Just pops off the rails immediately
*by L***E on 27 March 2024*

This worked for about a day, but since then it's been unusable as the clips don't hold it on to the rail. When I lean back it just pops off and falls on the floor.

### ⭐ Review
*by T***M on 10 November 2025*

Leider nicht dauerhaft verklebt.

## Frequently Bought Together

- Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black
- Seat Pad Foam Insert Replacement for Herman Miller Classic Aeron Office Chair A B C Size (Black, A/B)
- Vinyl Arm Pads Caps for Herman Miller Classic Aeron Chair Graphite Black

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-19*