Levrack Internal Slatwall (6-Pack) Width:48" It is the female coupler

It is the female coupler part that fits anything low pressure (garden hose) related

followed by the inset border (1 tile wide)

I don’t know this for sure

The oil drain plug is located on the bottom of all three units

Levrack Internal Slatwall (6-Pack) Width:48" It is the female couplerThe Levrack Internal Slatwall allows you to maximize the storage inside your Levrack Storage Solution. The Slatwall is designed to fit any standard slatwall accessory, so you can customize it to suit your needs perfectly. Slatwall inserts can be hung individually or linked up to create larger sections. The Internal Slatwall is a great option for those unusually shaped items you need to store. Levrack Cancelation Return Policy There are no returns on