---
product_id: 222356646
title: "K&NUniversal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 8.688 In, Flange Length: 0.938 In, Shape: Round Tapered, RX-3990-1"
price: "€ 216.21"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/222356646-k-and-nuniversal-clamp-on-air-filter-high-performance-premium
store_origin: PT
region: Portugal
---

# K&NUniversal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 8.688 In, Flange Length: 0.938 In, Shape: Round Tapered, RX-3990-1

**Price:** € 216.21
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** K&NUniversal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 8.688 In, Flange Length: 0.938 In, Shape: Round Tapered, RX-3990-1
- **How much does it cost?** € 216.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/222356646-k-and-nuniversal-clamp-on-air-filter-high-performance-premium)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Images

![K&NUniversal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 8.688 In, Flange Length: 0.938 In, Shape: Round Tapered, RX-3990-1 - Image 1](https://m.media-amazon.com/images/I/61PVotFQzyL.jpg)

---

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**Shop now:** [https://www.desertcart.pt/products/222356646-k-and-nuniversal-clamp-on-air-filter-high-performance-premium](https://www.desertcart.pt/products/222356646-k-and-nuniversal-clamp-on-air-filter-high-performance-premium)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-21*