Key Features
- Authentic RY4 Tobacco Flavor: A delightful blend of robust tobacco taste refined with a light vanilla note and subtle caramel nuances, delivering an intensely smoky yet mild-sweet flavor experience.
- German Craftsmanship: Produced in Germany by New Firecastle, part of their extensive lineup of premium aromas and e-liquids.
- Longfill Concentrate Format: 10ml aroma concentrate designed for DIY mixing with base liquid.
- Dosage Recommendation: 5% — mix 0.5ml aroma with 9.5ml base liquid to produce 10ml finished e-liquid.
- Aging Recommendation: Allow the mixed e-liquid to rest and mature for 5–7 days for an intensified flavor profile.
- Usage Warning: Never vape the concentrate pure. Always mix with a suitable base liquid and, if desired, nicotine shots.
Technical Specifications
| Parameter | Detail |
|---|---|
| Brand | New Firecastle |
| Product Name | RY4 Aroma |
| E-Liquid Capacity | 10 ml |
| Product Format | Longfill (Aroma Concentrate) |
| Flavor Category | Tobacco |
| Flavor Notes | Tobacco, Vanilla, Caramel |
| Country of Origin | Germany |
| Dosage | 5% |
| Recommended Aging | 5–7 days |












