Shop OCG offers this Colorado Smoke Masters Gas Grill Flame Blocks(18 in a box) - see 2nd picture.

The flame blocks:

1. Distributes gas flame heat evenly throughout barbecue
2. Helps eliminate most moisture flame flare ups
3. Unique design of the square blocks is self-cleaning
4. Acts as a permanent replacement for lava rocks (which catches food and grease in the crevices of the rock).

Makes for a great gift for DAD!

Simple Installation: Remove old lava rock. Place ceramic blocks on grate one layer deep. Space them as evenly as possible (most gas grills actual grilling area is 13" deep x 19" wide) leaving at least 1/2" space between the blocks and 1/2" space from the sides of the grill to avoid over-heating. It is that simple! You will be amazed how it evenly distributes the heat. The ceramic blocks also allow you to cook closer to the flame.

Limited quantities available.

Assembly:

This product ships unassembled and will require easy and straight-forward assembly using common household tools. Detailed instructions are included.

Shipping:

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This item ships via FedEx or UPS (depending on your zip code). Once shipped, you will receive a tracking number via the email address you provide. Ground shipments usually arrive within 2-5 business days after shipment. Please inspect the package when it arrives to determine if damage occurred during shipping. If a box is crushed, wet or severely damaged, reject the shipment and do not sign for it. The item will be returned to us, which allows us to file a claim. We will then be able to ship your replacement item within 24 hours.
If damage during shipping is discovered after delivery, contact customer service immediately so a claim can be filed. Please retain all damaged items and shipping materials, as the carrier may need to perform an inspection.

Return Policy:

Shop OCG offers no returns on this product. For various reasons, from limited closeout stock to one-time low price, all sales are final on this specific product. For any questions or concerns relating to this product, please call us at 334.558.0863 M-F from 8 AM to 6 PM CST.

Warranty:

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Shop OCG offers a 1 year basic warranty on this product to the original purchaser from the date of purchase against defects in material and workmanship. During this period Shop OCG will repair or replace, at our discretion, the defective component.

This warranty does not apply to improperly installed, handled, abused, damaged by user error, nor to any unit which has been repaired or altered by unauthorized repair companies. Under no circumstances will the buyer be entitled to consequential or incidental damages. This limited 1 year basic warranty gives you specific legal rights; you may have other rights which vary from state to state where you live. Batteries and plastic housings are not covered by warranty.

Product Specifications:

Assembled Dimensions: 8.00 × 10.00 × 3.00 inches

Shipping Dimensions: 10.00 × 10.00 × 6.00 inches

Approximate Shipping Weight: 3.00 pounds