双后卫从两侧Windows阻止空气泄漏草案。 要注意保暖空气进来。

不要通过通风良好的窗台让热量逃脱浪费能源 - 使用双后卫草案，以保持温暖的空气和冷空气出来。 止动草案的两次切到适合泡沫管拥抱你的窗口，双方加倍草案阻塞保护。 只需将您的窗台双子卫队草案，然后锁定你的窗口到位。 这双后卫的Windows草案有一个双音机洗：白色针织的内侧，耐候性棕色面料外观方面。 双子卫队草案符合双悬窗多达32宽。 你得到了一套2。
双子卫队的Windows草案的优点：

双后卫的Windows草案有两个泡沫管适合你的窗口两侧提供保护双方
这塞子草案使加热和冷却你的家更高效
你得到2瓶塞草案，以适应窗口最多32'W
包含项目：两张逆天的Windows草案
双后卫的Windows尺寸草案：1发泡管; 适合的Windows高达32'W - 切断，以适应
材料：泡沫，聚酯。

Twin Draft Guard for Windows blocks air leaks from both sides. to keep warm air in.

Don't waste energy by letting heat escape through drafty window sills - use the Twin Draft Guard to keep that warm air in and cold air out. The draft stopper's two cut-to-fit foam tubes hug your window from both sides, to double the draft-blocking protection. Simply place the Twin Draft Guard on your windowsill, then lock your window in place. This Twin Draft Guard for Windows features a two-tone machine washable cover: off-white knit for interior side, weather-resistant brown fabric for exterior side. The Twin Draft Guard fits double-hung windows up to 32 wide. You get a set of 2.
Benefits of the Twin Draft Guard for Windows:

Twin Draft Guard for Windows has two foam tubes that fit on either side of your window to provide protection from both sides
This draft stopper makes heating and cooling your home more efficient
You get 2 draft stoppers to fit windows up to 32'W
What's Included: 2 Twin Draft Guards for Windows
Twin Draft Guard for Windows Dimensions: 1 Foam Tube; Fits Windows up to 32'W - Cut to Fit
Materials: Foam, Polyester.