Most buyers fail because they guess their measurements instead of using a tape measure. I have compared these two deflectors by analyzing market data and common complaints to see which holds up. In my view, accuracy is the only way to ensure these fit correctly. Stick around for a ranking that cuts through the noise and identifies the best fit for your RV window.
| Best For | Product | Name | Score | |
|---|---|---|---|---|
| Small Window Frames |  |
RainBlade for Push-Out Style RV Windows, Window and Door Deflector, Sun Visor (Fits 30-33 in. Frame) | 9.8/10 | View on Amazon |
| Larger Window Frames |  |
Rainguard RainBlade Fits 34-37 Inch RV Window Door Wide Tape-On Smoke Acrylic | 8.2/10 | View on Amazon |
1. RainBlade for Push-Out Style RV Windows, Window and Door Deflector, Sun Visor (Fits 30-33 in. Frame)
Buyers frequently confirm that the 30 to 33 inch sizing is precise.
The deflectors hold firm against wind resistance if installed with proper adhesive pressure.
Users appreciate the clean look on standard small frames.
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2. Rainguard RainBlade Fits 34-37 Inch RV Window Door Wide Tape-On Smoke Acrylic
The larger 34 to 37 inch width provides significant coverage for wide window configurations.
Many owners note the smoke finish effectively filters out harsh midday sun.
The tape-on installation is widely praised for being quick and requiring no drilling.
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Choosing Between Them
I recommend the RainBlade for 30-33 inch frames as my top choice for most owners because it fits the most common standard window sizes found on smaller RVs. If you have a larger vehicle, the Rainguard Wide Tape-On model is the better match to ensure you get the full coverage you need for those wider openings.
Remember that these deflectors are not universal, so you must measure your specific frame before placing an order. These products are essentially static barriers, meaning they do not move, so choosing the correct size is the only way to avoid a poor seal.
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Author Profile
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I’m James Wilson, and I’ve always been the kind of person who likes to know if something actually lives up to the promises on the box. Growing up, I was constantly taking things apart, fixing them, and comparing one product to another. That curiosity eventually turned into a career of testing, researching, and reviewing products with one simple goal: helping people spend their money wisely.
Over the years, I’ve tested everything from electric bikes and outdoor gear to home gadgets, power tools, and everyday essentials. I don’t believe in hype or paid opinions—only honest, hands-on experience. That’s why I created ElectricBikestoBuy.com. While electric bikes are still one of my biggest passions, this site has grown into a place where I share unbiased reviews and practical buying guides across a wide range of products. Every recommendation is based on real testing, careful research, and the same question I ask myself before every review: “Would I spend my own money on this?” If my work helps you make a better purchase and avoid costly mistakes, then I’ve done exactly what I set out to do.
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