---
product_id: 46711878
title: "Max Nano Replacement Skimmer Pump (Red Sea Part # 40591)"
brand: "red sea"
price: "$133.35"
currency: USD
in_stock: true
reviews_count: 2
category: "Red Sea"
url: https://www.desertcart.us/products/46711878-max-nano-replacement-skimmer-pump-red-sea-part-40591
store_origin: US
region: United States of America
---

# AC/DC power source versatility Precision fit dimensions 4.75"x4"x3" Stainless steel durability Max Nano Replacement Skimmer Pump (Red Sea Part # 40591)

**Brand:** red sea
**Price:** $133.35
**Availability:** ✅ In Stock

## Summary

> 🔴 Upgrade your nano reef’s heartbeat with precision and power!

## Quick Answers

- **What is this?** Max Nano Replacement Skimmer Pump (Red Sea Part # 40591) by red sea
- **How much does it cost?** $133.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/46711878-max-nano-replacement-skimmer-pump-red-sea-part-40591)

## Best For

- red sea enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Stainless steel construction resists corrosion for long-term reliability.
- • **Versatile Power:** Runs on AC/DC power, ensuring compatibility with your setup.
- • **Easy Installation:** Plug-and-play design gets your aquarium back to pristine water fast.
- • **Compact Powerhouse:** Small footprint (4.75"x4"x3") packs efficient skimming performance.
- • **Seamless Replacement:** Direct fit for Red Sea Max Nano skimmer—no hassle, no downtime.

## Overview

The Red Sea Max Nano Replacement Skimmer Pump (Part #40591) is a compact, stainless steel pump designed specifically for the Red Sea Max Nano skimmer. Measuring 4.75" x 4" x 3", it operates on AC/DC power and offers a direct replacement solution to maintain optimal skimming performance and water clarity in nano reef aquariums.

## Description

Replacement Red Sea Max Nano Skimmer Pump. 4.75" X 4" X 3". Red Sea Part # 40591.

Review: A direct replacement! Easy to install ! - Just what I needed, direct replacement, works great!
Review: Doesn’t work - Would give it a zero if I could. The pump does not fit flush to the skimmer so all the bubbles escape the side and you produce zero skim.

## Features

- Replacement Red Sea Max Nano Skimmer Pump
- 4.75" X 4" X 3"
- Red Sea Part # 40591

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075SM4GY3 |
| Best Sellers Rank | #105,739 in Pet Supplies ( See Top 100 in Pet Supplies ) #383 in Aquarium Water Pumps |
| Brand Name | Red Sea |
| Color | Red |
| Customer Reviews | 3.9 3.9 out of 5 stars (11) |
| Item Weight | 13.6 ounces |
| Manufacturer | Red Sea |
| Material Type | Stainless Steel |
| Model Number | 40591 |
| Power Source | Ac/dc |
| Product Style | Above Ground |
| UPC | 730773405916 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Red Sea
- **Color:** Red
- **Item Weight:** 13.6 ounces
- **Manufacturer:** Red Sea
- **Material:** Stainless Steel
- **Power Source:** Ac/dc
- **Style:** Above Ground
- **UPC:** 730773405916

## Images

![Max Nano Replacement Skimmer Pump (Red Sea Part # 40591) - Image 1](https://m.media-amazon.com/images/I/41XsmQssk8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A direct replacement! Easy to install !
*by A***R on September 19, 2025*

Just what I needed, direct replacement, works great!

### ⭐ Doesn’t work
*by K***N on July 31, 2024*

Would give it a zero if I could. The pump does not fit flush to the skimmer so all the bubbles escape the side and you produce zero skim.

## Frequently Bought Together

- Red Sea Max Nano Replacement Skimmer Pump (Red Sea Part # 40591)
- Red Sea Max Nano Replacement Circulation Pump Part # 40589
- Red Sea Max Nano Replacement Circulation Pump Bubble Trap Sponge (Red Sea Part # 40583)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-18*