--- product_id: 42106945 title: "NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White" brand: "brand: naked bulb" price: "120 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/42106945-nk-921-350cw-led-rv-replacement-emi-suppressed-vented-bulb store_origin: PL region: Poland --- # NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White **Brand:** brand: naked bulb **Price:** 120 zł **Availability:** ✅ In Stock ## Quick Answers - **What is this?** NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White by brand: naked bulb - **How much does it cost?** 120 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/42106945-nk-921-350cw-led-rv-replacement-emi-suppressed-vented-bulb) ## Best For - brand: naked bulb enthusiasts ## Why This Product - Trusted brand: naked bulb brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Item Package Quantity:1 Naked Bulb NK-921-350CW was designed in the USA by GREGG WILSON DESIGNS; – Cool White – (6300 – 6700K). The Naked Bulb NK-921-350CW LED replacement bulbs are built with the finest LED lighting technology and materials available. This naked fact can be seen through the clear plastic housing where nothing is hidden from view unlike other LED Bulbs. The Naked Bulb NK-921-350CW LED features a Wedge T5 Base – i.e. (921 Type) and a voltage range of 8-20 volts DC. This wide-voltage range is designed to withstand RV power fluctuations that can damage ordinary LED lights. This Bulb also has EMI Suppression so as to not disrupt your Radio or TV while viewing and it should be noted that this is the only LED Bulb to manage this EMI Problem. The Naked Bulb NK-921-350CW produces 350 Lumen of Cool White color, uses 4.0 watts of power and runs COOLER due to the patent pending FLOW THRU DESIGN. The clear housing turns to adjust the directional beam of light and has a color temperature of 6300-6700K. Each NK-921-350CW LED bulb has a life expectancy of 60,000 hours or more which is many times longer than a standard bulb it replaces which saves money and time, especially in those hard-to-reach places replacing incandescent bulbs. This product does not contain mercury or emit ultraviolet (UV) light. The NK-921-350CW LED Bulb was manufactured to high standards to allow it to withstand the daily shaking and vibration of a modern RV without failing. ALSO see our other great MOTION-GUARD products to keep your camping area safe and secure. ## Features - 60,000+ hour life expectancy, made possible by Patented Vent System that allows the bulb to run cooler unlike others; - The Bulb base is a Wedge T5 Base – i.e. (921 Type); - 8-20 volts DC; the wide-range voltage is designed to withstand RV power fluctuations that damage other bulbs; - The Naked Bulb Runs Cooler, is more Energy efficient and eco-friendly than the incandescent it replaces, contains no mercury: - The only LED Bulb that is “EMI SUPPRESSED” so as not to wipe out TV or radio stations; - ›See more product details ## Images ![NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White - Image 1](https://images-na.ssl-images-amazon.com/images/I/8155PR%2B1GrL.jpg) ![NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White - Image 2](https://images-na.ssl-images-amazon.com/images/I/715c6rzq2VL.jpg) ![NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White - Image 3](https://images-na.ssl-images-amazon.com/images/I/81HA0K64n3L.jpg) ![NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White - Image 4](https://images-na.ssl-images-amazon.com/images/I/71skEf2TWTL.jpg) ![NK-921-350CW LED RV Replacement EMI Suppressed Vented Bulb, Wedge T5 Base – i.e. (921 Type), 350 Lumen 8-20 Volts Cool White - Image 5](https://images-na.ssl-images-amazon.com/images/I/71v3nr-1p2L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/42106945-nk-921-350cw-led-rv-replacement-emi-suppressed-vented-bulb](https://www.desertcart.pl/products/42106945-nk-921-350cw-led-rv-replacement-emi-suppressed-vented-bulb) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*