---
product_id: 45560500
title: "Metalbest 40V-RV4 OV 4\" Type B Gas Vent Oval to Round Adapter, Galvanized"
brand: "metalbest"
price: "€ 111.64"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/45560500-metalbest-40v-rv4-ov-4-type-b-gas-vent-oval
store_origin: NL
region: Netherlands
---

# Metalbest 40V-RV4 OV 4" Type B Gas Vent Oval to Round Adapter, Galvanized

**Brand:** metalbest
**Price:** € 111.64
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Metalbest 40V-RV4 OV 4" Type B Gas Vent Oval to Round Adapter, Galvanized by metalbest
- **How much does it cost?** € 111.64 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/45560500-metalbest-40v-rv4-ov-4-type-b-gas-vent-oval)

## Best For

- metalbest enthusiasts

## Why This Product

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

## Description

4" Type B Gas Vent Oval to Round Adapter from the OV Collection The oval-to-round adapter is used for conversion of vent from oval to round. The RV series offers round gas vent pipe and fittings for residential, commercial and industrial applications. It features a snap together, non-positional lock system, die formed ends, and eliminates the need for all cutting, fitting and special engineering. It has an improved joint design provides for a rapid and secure connection in seconds. The use of our "LockTab" feature gives installers the option of engaging this tab instead of using sheet metal screws, when required by local code. The OV series offers oval gas vent pipe and fittings and can be used for Type B, Type B 2x4, Type BW and Type B 2x6 depending on the pipe size. It features a snap together die formed ends, and is UL 441 listed. Note: Special factory supplied parts are required to use 4" OV as Type BW vent. Features: Materials: Aluminum inner and Galvanized steel outer pipe Minimum Safety Clearance to Combustibles: 1" for diameters of 3" to 24" 2" for diameters 26" to 48" Fuels: Gas UL Listed: UL 441 Warranty: Lifetime Limited Warranty

## Images

![Metalbest 40V-RV4 OV 4" Type B Gas Vent Oval to Round Adapter, Galvanized - Image 1](https://images-na.ssl-images-amazon.com/images/I/31k9%2BcdTg%2BL.jpg)

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**Shop now:** [https://www.desertcart.nl/products/45560500-metalbest-40v-rv4-ov-4-type-b-gas-vent-oval](https://www.desertcart.nl/products/45560500-metalbest-40v-rv4-ov-4-type-b-gas-vent-oval)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-25*