---
product_id: 18523782
title: "Blue Diamond ET 40 Septic or Pond Linear Diaphragm Air Pump"
brand: "blue diamond pumps"
price: "€ 367.06"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/18523782-blue-diamond-et-40-septic-or-pond-linear-diaphragm-air
store_origin: NL
region: Netherlands
---

# Blue Diamond ET 40 Septic or Pond Linear Diaphragm Air Pump

**Brand:** blue diamond pumps
**Price:** € 367.06
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Blue Diamond ET 40 Septic or Pond Linear Diaphragm Air Pump by blue diamond pumps
- **How much does it cost?** € 367.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/18523782-blue-diamond-et-40-septic-or-pond-linear-diaphragm-air)

## Best For

- blue diamond pumps enthusiasts

## Why This Product

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

## Description

SEPTIC SYSTEM IMPROVEMENTBlue Diamond's Enviro ET40 air pump adds the oxygen to septic system wastewater that aerobic bacteria require to decompose. The air that the pump adds is clean and free of oil. This pump also can be used to aerate pond water. Making little noise as it runs, the pump puts out a maximum 1.41 cubic feet of air per minute. Its maximum pressure is 0.15 bar. It uses 30 watts of electricity. Its connector size is 0.55 inch.WEATHERPROOF AND STRONGSupported by a 2 year warranty, this air pump is designed to be durable. It is weatherproof, and its sturdy construction includes material specially formulated for its linear diaphragm.SIMPLE TO USE AND MAINTAINThis pump comes complete with fittings and is easy to set up. It is easily serviceable with replaceable diaphragm kits (sold separately) to give the pump a long life.Put the Blue Diamond Enviro ET40 air pump to work in your septic system or pond.Click "Add to Cart" now!

## Features

- ✅ BOOSTS SEPTIC WASTE DECOMPOSITION: By adding clean, oil free oxygen to septic system wastewater, Blue Diamond's Enviro ET 40 air pump encourages aerobic bacteria to decompose. Its weatherproof and sturdy design make it an excellent wastewater pump. It is also effective in a pond.
- ✅ OPERATES QUIETLY: This air pump produces little sound, as low as 35 decibels. It uses 30 watts of electricity and has a maximum air flow of 1.41 cubic feet per minute. Its maximum pressure is 0.15 bar.
- ✅ EASY TO INSTALL AND SERVICE: Simple to put in place, this pump comes complete with fittings. It is easily serviced with replaceable diaphragm kits (sold separately) for a long life.
- ✅ 2 YEAR MANUFACTURER WARRANTY - MADE TO LAST: In addition to being weatherproof, this durable pump features a specially formulated material for its linear diaphragm. Constructed to last, the pump has a 2 year warranty from its manufacturer.
- ✅ PERFECT SIZE: Measuring 8.66 inches long, the pump is 6.10 inches wide and 7.48 inches tall. It weighs 9.48 pounds. Its connector size is 0.55 inch.

## Images

![Blue Diamond ET 40 Septic or Pond Linear Diaphragm Air Pump - Image 1](https://images-na.ssl-images-amazon.com/images/I/41ckoRdG%2BaL.jpg)

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**Shop now:** [https://www.desertcart.nl/products/18523782-blue-diamond-et-40-septic-or-pond-linear-diaphragm-air](https://www.desertcart.nl/products/18523782-blue-diamond-et-40-septic-or-pond-linear-diaphragm-air)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-14*