Image Title: Mantis Gas Fireplace Reviews Series Vent Free Fireplaces By With Decor 7. Filename: mantis-gas-fireplace-reviews-series-vent-free-fireplaces-by-with-decor-7.jpg. Image Dimension: 800 x 800 pixels. Images Format: jpg/jpeg. Publisher/Author: Guido Walter. Uploaded Date: Monday - May 14th. 2018 20:16:17 PM. Category: Architecture. Image Source: lowes.com.