GR10q 4 Pin 28W 3500K Warm White, 2000LM, Very Large Size, DD Square CFL Compact Fluorescent 4 Pins Light Bulb, AC 220V, 4 Pin Flat Butterfly Bulb for

Product Description What's the Light Bulb Type? 2 Pin or 4 Pin? This is 4 Pin GR10q light bulb, must use with 4 pin ballast. 2 pin ballast is NOT compatible. Can I use it to replace my 16W 2PIN light bulb? No, as their fitting type is different, they cannot be replaced for use! What's the Size of this 4 Pin 28W Light Bulb? Please pay high attention that this 28W 4pin light bulb is with large size 20x20cm, it is approximately twice the size of 16W. Can I use it to replace my 16W 4PIN light bulb? No, as their size is different, they cannot be replaced for use! What Should I Know Before Purchase? There are 2 size of GR10q bulbs on market, 16w-950lm for small size (13.3x13.3cm), 28w-2000lm (20x20cm) for large size. Please check the size of ballast and ceiling light panel/frame before purchase, thanks. CANNOT replace 16W 2PIN bulbs as their light fitting type are different! CANNOT replace 16W 4PIN bulbs as their sizes are different! 28W 4PIN bulb is approximately twice the size of 16W. Please use a compatible ballast , the minimum power must ≥ 28W . Otherwise, the light bulb will not work properly. The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. 4 Pin 28W CFL Light Bulb 1 4 Pins Fitting 2 28W, Very Large Size 3 Ballast Must ≥ 28W P.now("premium-aplus-13-carousel-6").execute("init-pagination-carousel", function(init) { if (init) { P.register("premium-aplus-13-carousel-6", function() { return function() { P.when("A", "jQuery", "a-carousel-framework", "ready").execute("paginate-carousel", function (A, $, framework) { const ENTER_KEY_CODE = 13; const ESCAPE_KEY_CODE = 27; const LEFT_ARROW_KEY = 37; const RIGHT_ARROW_KEY = 39; const HOME_KEY = 36; const END_KEY = 35; var moduleId = "6"; var carouselName = "premium-aplus-13-carousel-6"; var paginationAction = "aplus-pagination-dot-action-" + moduleId + "-" + carouselName; var paginationGroup = "#aplus-pagination-group-" + moduleId + "-" + carouselName; /* If the carousel goes to a new page */ A.on("a:carousel:"+carouselName+":change:pageNumber", function (data) { A.$(paginationGroup+" .carousel-slider-circle").removeClass("aplus-carousel-active").attr('aria-selected', 'false').attr('tabindex', -1) .eq(data.newValue - 1).addClass("aplus-carousel-active").attr('aria-selected', 'true').attr('tabindex', 0); function syncPaginationDotsWithCarouselPages(numPages) { const parentElement = document.querySelector(paginationGroup); if (parentElement && parentElement.children) { const children = parentElement.children; for (let i = 0; i < children.length; i++) { if (i >= numPages) { // If number of dots > num of pages, we should hide other dots } else if (children[i].classList.contains('aplus-pagination-dot--display-none')) { // Reset display of dots if it was hidden before framework.onInit(carouselName, function (carousel) { try { var totalPages = carousel.getAttr('totalPages'); /* Resize event handler to re-calculate the pagination dots count based on orientation */ window.addEventListener('resize', function() { totalPages = carousel.getAttr('totalPages'); A.declarative(paginationAction, 'click keydown', function(event){ var isClick = event.type === 'click'; var isKeydown = event.type === 'keydown'; var isEnter = isKeydown && event.$event.keyCode === ENTER_KEY_CODE; var isEsc = isKeydown && event.$event.keyCode === ESCAPE_KEY_CODE; var isLeftArrow = isKeydown && event.$event.keyCode === LEFT_ARROW_KEY; var isRightArrow = isKeydown && event.$event.keyCode === RIGHT_ARROW_KEY; var isHome = isKeydown && event.$event.keyCode ==