Small vertical oval canister (4. 85 in H x 3. 75 in W) is available with an aluminum high polish finish, black carbon fiber (filament wound) or natural titanium matte grey color 2. 25 in stainless steel power core Packing consist of a First Stage (stainless steel wool) and a Second Stage (high temperature fiberglass) Slip-on comes with a billet anodized aluminum inlet endcap Flanged-on comes with a CNC ed aluminum inlet endcap Teflon coated, die-cast magnesium outlet endcap Dual