Bottom Fill Vape Tanks | Best Brands And Best Price

Bottom-fill tanks (this collection) are refilled through a port on the underside, which some vapers find easier without removing the whole tank from the device body. Top-fill tanks are refilled from the top instead, sometimes involving removing the top cap or drip tip. This is largely a design and convenience preference rather than a meaningful difference in vaping performance — both styles can perform similarly depending on the specific tank.